1866 Seated Liberty Half Dime Value Guide (P, S, Proof)
1866 Half Dime values range from $45 for circulated 1866-S to $19,800 for finest Proof specimens. Philadelphia business strikes with 10,000 mintage command $400+ in all grades.
The 1866 Seated Liberty Half Dime is worth $45 to $19,800 depending on mint mark, strike type, and condition.
- 1866-S (San Francisco): $45 (G-4) to $15,600 (MS-67)
- 1866 (Philadelphia) Business Strike: $400 (G-4) to $9,750 (MS-67+)
- 1866 Proof: $350 (PR-60) to $19,800 (PR-67+ DCAM)
The Philadelphia business strike with only 10,000 minted is a major rarity commanding premiums in all grades, while the San Francisco issue becomes scarce only in high Mint State grades.
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1866 Seated Liberty Half Dime Overview
1866 Seated Liberty Half Dime Type 5 design with Legend on obverse
The 1866 Seated Liberty Half Dime represents a pivotal moment in post-Civil War American coinage, striking a dramatic contrast between the nation's bifurcated economy. Three distinct issues exist: an extremely rare 10,000-mintage Philadelphia business strike, a more common 120,000-mintage San Francisco issue, and 725 specially-prepared Proofs for collectors. Values range from $45 for circulated San Francisco examples to $19,800 for finest Proof specimens.
All 1866 half dimes feature the Type 5 "Legend Obverse" design by James B. Longacre, distinguished by relocating "UNITED STATES OF AMERICA" to the obverse, replacing the stars of prior types. The Philadelphia business strike is a celebrated key date commanding premiums in all grades, while the San Francisco issue served as a workhorse of Western commerce and becomes scarce only in high Mint State preservation.
How to Identify Your 1866 Half Dime
San Francisco mint mark location below wreath bow on 1866-S
Proper identification begins with confirming the Type 5 Legend Obverse design used from 1860-1873. The primary diagnostic feature is the legend "UNITED STATES OF AMERICA" arching around the seated figure of Liberty on the obverse. This replaces the thirteen stars seen on earlier Type 3 designs (1840-1859). The reverse displays a larger, more ornate "cereal wreath" composed of agricultural elements including corn and cotton, noticeably different from simpler wreaths on earlier types.
Mint Mark Identification: Determining the mint mark is critical for establishing rarity and value. Philadelphia Mint coins—including all business strikes and Proofs—bear no mint mark. San Francisco Mint business strikes feature a small, capitalized "S" mint mark on the reverse, positioned below the knot of the wreath's bow.
Business Strike vs Proof Distinction: Proof strikes were specially prepared for collectors with deeply mirrored fields and sharp, frosted devices creating cameo contrast. Business strikes show satin luster and normal circulation-intended surfaces. The dramatic visual difference between these finishes is immediately apparent when comparing examples side-by-side. With 550 Proofs surviving versus only 74 graded Philadelphia business strikes across all conditions, the Proof has paradoxically become the more accessible Philadelphia-minted coin for collectors.
Physical specifications are consistent across all issues: 90% silver and 10% copper composition, 1.24 gram weight, 15.5-15.9mm diameter, and reeded edge. The actual silver weight (ASW) is 0.0359 troy ounces, yielding a melt value of approximately $1.76 at current silver spot prices—well below even the lowest numismatic values.
1866 Half Dime Values by Date and Grade
Grade progression showing wear patterns from Good to Gem Mint State
Market values for the 1866 half dime diverge dramatically based on mint mark and strike type. The Philadelphia business strike commands high premiums in all grades due to its 10,000 mintage and extreme scarcity, while the San Francisco issue becomes valuable primarily in high Mint State grades. Proof strikes occupy a unique middle ground as accessible Philadelphia-minted alternatives.
1866 Philadelphia Business Strike (No Mint Mark)
With NGC reporting only 74 examples graded across all conditions, the 1866-P is a celebrated key date within the Seated Liberty series. Unlike common coins that are inexpensive in low grades, this issue maintains high values even in heavily worn states, resulting in a compressed value structure. The multiplier from G-4 to MS-67+ is approximately seven times—dramatically less than the hundred-fold increase seen on the 1866-S.
| Grade | NGC Price Guide | PCGS/Auction Values |
|---|---|---|
| G-4 | $400 | ~$550 |
| VF-20 | $575 | ~$800(PCGS VF-30: $552, May 2023) |
| EF-40 | $650 | ~$900(NGC EF-45: $630, May 2023) |
| AU-50 | $775 | ~$1,300(NGC AU-58: $840, Mar 2020) |
| MS-60 | $1,050 | ~$1,550(PCGS MS-60: $1,140, May 2024) |
| MS-63 | $1,350 | ~$1,750(NGC MS-63: $1,140, Nov 2018) |
| MS-65 | $2,900 | ~$3,500(PCGS MS-65: $3,600, Aug 2021) |
| MS-67+ | $9,750 | $9,000(Heritage, May 2023) |
Data sourced from NGC Price Guide and PCGS auction records, October 2025.
1866-S San Francisco Business Strike
With a 120,000 mintage and extensive circulation in the West, the 1866-S is far more attainable in lower grades. PCGS estimates approximately 300 survivors in all grades, with only 60 in Mint State (MS-60+) and just 12 in Gem condition (MS-65+). This creates a classic conditional rarity where values rise steeply with grade.
| Grade | NGC Price Guide | PCGS/Auction Values |
|---|---|---|
| G-4 | $45 | ~$45($24 sale, Oct 2001) |
| VF-20 | $140 | ~$140(PCGS VF-20: $180, Apr 2023) |
| EF-40 | $250 | ~$250 |
| AU-58 | $500 | ~$690 |
| MS-60 | $550 | ~$750(NGC MS-61: $660, Nov 2017) |
| MS-63 | $1,025 | ~$1,275(NGC MS-63: $3,840, Aug 2021) |
| MS-65 | $4,500 | ~$5,420(NGC MS-65: $3,120, Sep 2019) |
| MS-67 | $12,000 | $15,600(Stack's Bowers, Mar 2020) |
Data sourced from NGC Price Guide and PCGS/APMEX records, October 2025.
1866 Philadelphia Proof Strike
The Philadelphia Mint produced 725 Proof half dimes in 1866, with approximately 550 surviving today. The majority grade PR-62 to PR-64, while Gem examples (PR-65+) are significantly scarcer. Specimens grading PR-67 or above are rare, with fewer than a dozen known. Visual characteristics—particularly cameo contrast—are paramount to value.
| Grade | Brilliant (PR) | Cameo (CAM) | Deep Cameo (DCAM) |
|---|---|---|---|
| PR-60 | $350-$432 | — | — |
| PR-62 | $650-$675 | $750-$850 | ~$1,500+ |
| PR-63 | $725-$825 | $1,000-$1,100 | ~$2,000+ |
| PR-64 | $1,000-$1,250 | $1,250-$1,400 | ~$3,000+ |
| PR-65 | $1,500-$1,700 | $1,750-$2,000 | ~$6,000+ |
| PR-66 | $2,000-$2,750 | $2,500-$5,500 | ~$9,000+(NGC PF67UCAM: $7,500, 2023) |
| PR-67+ | $5,000-$7,000 | $8,500+ | $19,800(PCGS PR67+DCAM, 2020) |
| PR-68 | $17,500+(NGC PR68: $14,100, 2012) | — | — |
Data compiled from NGC Price Guide, PCGS auction prices, and recent Heritage/Stack's Bowers sales, October 2025. DCAM values estimated based on auction premiums.
💡 Proof vs Business Strike Value Dynamic
The extreme rarity of the 1866 Philadelphia business strike (74 graded vs 438+ Proofs) has created a unique market where low-grade Proofs (PR-60 at ~$350-$432) cost less than heavily worn business strikes (G-4 at ~$400). Many collectors choose the visually superior Proof as their Philadelphia-minted representative.
Grading Your 1866 Seated Liberty Half Dime
First areas to show wear: Liberty's hair, breast, knee, and wreath high points
Common weak strike areas: Liberty's head, shield bottom, foot, upper wreath
Proof strike shows mirrored fields and sharp details versus business strike
Accurately grading Seated Liberty half dimes requires distinguishing between circulation wear, strike weakness, and manufacturing characteristics. The 1860-1873 issues are particularly known for softness in specific areas even on fully Mint State specimens.
Strike Weakness vs Wear (Critical Distinction): A coin can be fully uncirculated yet lack complete detail in Liberty's head, the bottom of her shield, her foot, and the upper-left portion of the reverse wreath. These areas commonly show weakness from the striking process, not from circulation. This inherent softness must not be mistaken for wear when evaluating grade.
Key Wear Points on Business Strikes: The first areas to show friction from circulation are the highest points of the design. On the obverse, examine Liberty's hair above the ear, her left breast, and her right knee. On the reverse, check the high points of the leaves and the bow knot at the base of the wreath. These areas will show flattening and loss of detail as the coin circulates from About Uncirculated down through Very Fine grades.
Circulated Grades (G-4 through AU-58): In Good-4 condition, the date and major design elements remain visible but Liberty's details are heavily worn flat. Very Fine (VF-20) examples show moderate wear with Liberty's gown lines visible and about half the hair detail present. Extremely Fine (EF-40) specimens retain most fine details with only light wear on high points. About Uncirculated (AU-50 to AU-58) coins show slight friction on the highest design elements but retain most original luster in protected areas.
Mint State Grades (MS-60 through MS-67): Mint State coins show no trace of wear but are differentiated by contact marks, luster quality, strike sharpness, and eye appeal. MS-60 to MS-62 specimens typically have numerous contact marks and may lack strong eye appeal. MS-63 to MS-64 coins show better surfaces with fewer marks and good luster. MS-65 and higher examples are Gem quality with minimal marks, strong luster, and excellent overall eye appeal. MS-67 specimens are exceptional rarities with virtually mark-free surfaces.
Proof Grades (PR-60 through PR-68): Proof coins are evaluated primarily on surface preservation and the quality of cameo contrast. PR-60 to PR-62 Proofs show numerous hairlines or handling marks. PR-63 to PR-64 have moderate marks with good reflectivity. PR-65 and higher Gem Proofs display minimal surface disturbances and retain strong mirror fields. The degree of cameo contrast—from standard Brilliant finish to Cameo (CAM) to Deep/Ultra Cameo (DCAM/UCAM)—dramatically affects value, with DCAM specimens commanding substantial premiums.
Die State Artifacts: Die cracks and minor die clashes are common manufacturing characteristics on this series and do not affect the numerical grade. However, their severity can influence eye appeal and marketability. Major die breaks or dramatic clashes may add interest but are not considered errors in the traditional sense.
💡 Grading Tip
When examining high-grade examples, use magnification to distinguish between original mint luster (which has a cartwheel effect under rotation) and the artificial shine of a cleaned coin (which shows parallel hairline scratches). Original surfaces always command higher values.
Authentication and Counterfeit Detection
Cleaned coins show hairline scratches and unnatural surfaces versus original toning
Due to high values for Philadelphia issues and Mint State San Francisco examples, counterfeits exist in the marketplace. Authentication requires careful examination of weight, composition, strike characteristics, and surface quality. Modern replicas often fail multiple diagnostic tests.
A genuine 1866 half dime weighs precisely 1.24 grams and is composed of 90% silver and 10% copper. Many modern replicas are made of silver-plated brass and will have incorrect weight, often significantly heavier at approximately 1.9 grams. Using a precision scale accurate to 0.01 grams is essential for proper authentication. Any significant deviation from 1.24 grams indicates a non-genuine piece.
Counterfeits are frequently made from hand-cut dies or are cast rather than struck, resulting in soft, indistinct appearance of fine details. Pay particular attention to Liberty's toes, the individual digits of the date, and the sharpness of lettering. Genuine coins show crisp, well-defined features in these areas, while counterfeits often exhibit mushy or poorly formed details. The reeding on the edge should consist of sharp, parallel ridges; cast counterfeits may show a seam or tooling marks where mold halves joined.
Surface quality provides critical authentication clues. Look for diagnostics inconsistent with genuine mint production: unusual porosity across the fields, unexplained depressions or raised lines from tool marks on the die, or a pimply surface texture. Genuine coins struck on proper silver planchets display consistent metal characteristics and appropriate toning patterns. Silver-plated counterfeits often show base metal exposure through wear or at high points, and the plating may appear unnaturally bright or have a different color than genuine silver.
For high-value specimens—particularly Philadelphia business strikes above VF grade or Proofs in Gem condition—professional authentication through PCGS or NGC is strongly recommended. Third-party certification provides not only authentication but also professional grading, secure encapsulation, and insurance benefits. The modest cost of certification is well justified for coins valued above several hundred dollars.
Proper Care and Storage
Protecting these valuable and historic artifacts requires appropriate storage materials, careful handling techniques, and stable environmental conditions. Proper preservation maintains both numismatic value and historical integrity.
Store coins in inert, archival-quality holders such as those provided by PCGS and NGC or similar high-quality acrylic capsules. Avoid soft PVC flips entirely, as they can degrade over time and leach harmful chemicals onto the coin's surface, causing permanent green or brown staining known as "PVC damage." This type of damage significantly reduces value and cannot be reversed without causing further harm to the coin's surfaces.
Never touch the obverse or reverse surfaces with bare fingers. Oils and acids from human skin can cause permanent etching, fingerprint residue, and accelerated corrosion. Coins should only be handled by their edges, preferably while wearing lint-free cotton gloves. Even brief contact with skin can leave lasting marks that become visible over time as the contaminants interact with the silver surface.
Maintain a cool, dry, and stable storage environment. Extreme temperature fluctuations and high humidity accelerate toning and can potentially lead to harmful corrosion that permanently damages surfaces and destroys value. Ideal conditions include temperatures between 65-70°F with relative humidity below 50%. Avoid storing coins in basements, attics, or other areas subject to moisture or temperature swings. For valuable collections, consider climate-controlled storage or a safe deposit box at a financial institution.
Die Varieties and Attribution
Die varieties result from minor variations in the die-making process, creating diagnostic differences between coins struck from different die pairs. For Seated Liberty half dimes, attribution systems include Valentine numbers, Flynn designations, and Breen catalog references. Two minor repunched date varieties exist for 1866, though neither commands significant market premiums.
1866 (P) Business Strike Repunched Date (V-1, Flynn-RPD-001)
This variety was cataloged by Flynn and has appeared in major auctions, most notably a Heritage sale in February 2016 featuring an MS-64 example. The primary diagnostic is light repunching visible just above the base of the first '1' in the date 1866. The auction description noted a discrepancy with Flynn's reference photograph, which reportedly showed repunching on the '8' that was not evident on the specific coin being sold.
Market impact is negligible. The base rarity of the 1866 Philadelphia business strike drives all value, and the minor die variety adds no measurable premium among collectors. Specialists may seek this attribution for completeness, but it does not affect pricing in the broader market.
1866 (P) Proof Repunched Date (Breen-3118)
Walter Breen documented this variety in his comprehensive encyclopedia, and NGC acknowledges that "some proofs of this date display repunching on the date." The specific location and appearance of the repunching are not detailed in available references, suggesting it is a subtle feature requiring magnification to detect.
NGC explicitly states there is no premium for such coins. The market for 1866 Proofs focuses on grade, surface quality, and cameo contrast rather than die varieties. Collectors prioritize acquiring the highest quality example within their budget, with die characteristics being secondary considerations at best.
💡 Why No Premium for These Varieties?
For coins that are already significant rarities—such as the 10,000-mintage Philadelphia business strike or special collector Proofs—the primary driver of demand is acquiring the date and type in the highest possible grade. The collecting community's focus on fundamental rarity and condition overshadows minor die variations. Premiums for die varieties are typically most pronounced on common-date coins where the variety itself creates scarcity.
Mint Errors and Valuation
While no major, publicly documented mint errors for the 1866 half dime have been identified, their existence remains plausible. The 19th-century minting process was prone to various production mistakes, and examples are known for other denominations from 1866, including off-center strikes, broadstrikes, die cuds, and lamination flaws on Shield Nickels and Three-Cent Nickels. Any such error on an 1866 half dime would constitute a significant numismatic discovery.
Error valuation depends on error type, severity, and critically, the host coin. Errors on the rare 1866 Philadelphia strike would be exponentially more valuable than identical errors on the more common 1866-S issue. The combination of a key date with a major mint error creates a multiplier effect resulting in exceptional values.
| Error Type | Severity | Host Coin | Estimated Value Range |
|---|---|---|---|
| Off-Center Strike | 10-20% (date/mint visible) | 1866-S | $100-$300 premium |
| 10-20% (date visible) | 1866 (P) | 2x-5x base value | |
| >50% (major missing) | 1866-S | $500-$1,500+ | |
| >50% (major missing) | 1866 (P) | $10,000+ (landmark) | |
| Die Cud | Small rim cud | 1866-S | $50-$200 premium |
| Large dramatic cud | 1866-S | $200-$500+ premium | |
| Any significant cud | 1866 (P) | 50-100% premium | |
| Lamination Flaw | Minor surface peel | 1866-S | $20-$50 (may hurt appeal) |
| Large detached lamination | 1866-S | $75-$150 premium | |
| Broadstrike | Struck out of collar | 1866-S | $200-$600 |
Valuations are expert estimates based on the error coin market for contemporary 19th-century silver coinage. The error's value is additive to the base value of the host coin.
Discovery of any error on an 1866 Philadelphia business strike would be particularly significant due to the issue's extreme rarity. Such a coin would likely command attention at major auction houses and potentially establish new value benchmarks for the series. Collectors finding suspected errors should have them authenticated by major grading services, which can verify genuineness and assign appropriate error designations.
Special Designations: Cameo Proofs and Prooflike Business Strikes
Deep Cameo (DCAM) shows stark contrast between mirrored fields and frosted devices
Special designations recognize exceptional surface characteristics that significantly enhance a coin's visual appeal and market value. For silver Seated Liberty half dimes, these designations fall into two categories: Prooflike characteristics on business strikes and Cameo contrast on Proof strikes.
Prooflike (PL) and Deep Mirror Prooflike (DMPL) - Business Strikes Only: Some business strike coins received additional die polishing or were struck early in a die's lifespan, resulting in mirror-like reflective fields similar to Proof coins. Standard Prooflike (PL) designation indicates mirrored fields with slightly frosted devices. Deep Mirror Prooflike (DMPL) represents the highest level, with deeply reflective fields creating strong contrast with the devices. These designations apply exclusively to business strikes and cannot be used on actual Proof coins. While no specific premium data exists for 1866 issues, PL and DMPL designations typically command substantial premiums on Seated Liberty coinage.
Cameo (CAM) and Deep/Ultra Cameo (DCAM/UCAM) - Proof Strikes Only: Proof coins are categorized by the degree of contrast between their mirrored fields and frosted devices. Standard Brilliant Proofs (PR without additional designation) have mirrored fields with devices that are also somewhat mirrored or only slightly frosted. Cameo (CAM) Proofs show distinctly frosted devices against mirrored fields, creating moderate visual contrast. Deep Cameo or Ultra Cameo (DCAM/UCAM) Proofs exhibit heavily frosted devices against deeply mirrored, nearly black fields, creating a stark and dramatic contrast highly prized by collectors.
For 1866 Proofs, Cameo designations add approximately 15-25% premiums in lower grades, increasing to 50-100% or more for Gem examples. Deep Cameo coins command even higher premiums, often doubling or tripling values compared to standard Brilliant Proofs in the same numerical grade. A PR-67+ DCAM example realized $19,800 in 2020, compared to $5,000-$7,000 for brilliant PR-67 specimens—nearly a three-fold premium for the dramatic contrast.
💡 Understanding Designations
These designations are assigned by professional grading services (PCGS, NGC) during the authentication and grading process. They appear on the holder label following the grade, such as "PR-65 CAM" or "MS-64 PL." Raw (uncertified) coins should not be assumed to carry these designations without professional evaluation, as proper attribution requires expertise and standardized criteria.
Notable Auction Results
Recent auction results provide real-world market data demonstrating actual prices paid for 1866 half dimes across various grades and strike types. These records help establish current market values and track price trends over time.
1866 Philadelphia Business Strikes:
- MS-67+: $9,000(Heritage Auctions, May 2023)
- MS-65 PCGS: $3,600(August 2021)
- MS-60 PCGS: $1,140(May 2024)
- AU-58 NGC: $840(March 2020)
- VF-30 PCGS: $552(May 2023)
1866-S San Francisco Business Strikes:
- MS-67: $15,600(Stack's Bowers, March 2020)
- MS-63 NGC: $3,840(August 2021)
- MS-65 NGC: $3,120(September 2019)
- MS-61 NGC: $660(November 2017)
1866 Philadelphia Proof Strikes:
These results demonstrate strong collector demand across all three issues, with premium prices realized for top-grade specimens. The Philadelphia business strike maintains robust values even in lower grades due to its fundamental rarity, while the San Francisco issue shows dramatic value increases at the MS-65 level and above. Proof values are heavily influenced by cameo designation and preservation quality.
Frequently Asked Questions
How much is my 1866 Half Dime worth?
Value depends critically on mint mark and condition. An 1866-S (San Francisco) in circulated condition ranges from $45 (G-4) to $500 (AU-58), with Mint State examples reaching $15,600 at MS-67. The rare 1866 Philadelphia business strike commands $400 minimum in G-4, rising to $9,750 in MS-67+. Proof strikes range from $350 (PR-60) to $19,800 for finest DCAM specimens.
How do I identify the mint mark on my 1866 Half Dime?
The mint mark appears on the reverse, positioned below the knot of the wreath's bow. San Francisco issues display a small, capitalized "S" in this location. Philadelphia Mint coins—both business strikes and all Proofs—bear no mint mark. The presence or absence of this single letter determines whether you have the common 120,000-mintage San Francisco issue or the rare 10,000-mintage Philadelphia strike.
What makes the 1866 Philadelphia Half Dime so rare?
The extreme rarity stems from both low mintage and the post-Civil War economic context. Only 10,000 business strikes were produced, as the Eastern U.S. economy had suspended specie payments during the war and relied on paper currency. Silver coins saw minimal circulation, making the Philadelphia issue essentially a de facto collector's piece from inception. NGC reports only 74 examples graded across all conditions, making it a key date commanding premiums in every grade.
Should I get my 1866 Half Dime professionally graded?
Professional grading through PCGS or NGC is strongly recommended for any problem-free example, particularly Philadelphia business strikes or high-grade specimens of any issue. Third-party certification provides authentication, professional grading, secure encapsulation, and significant insurance/resale benefits. For coins valued above several hundred dollars, the modest certification cost is well justified. Even circulated Philadelphia examples in VF-EF condition warrant certification due to their base value exceeding $500.
How can I tell if my coin has been cleaned?
Harsh cleaning creates a network of fine parallel scratches (hairlines) visible under magnification, strips away original mint luster, and often leaves an unnatural dull or bright appearance. Original surfaces display a natural cartwheel luster effect when rotated under light, while cleaned coins show artificial shine without this characteristic. Major grading services will not assign numerical grades to cleaned coins, instead returning them marked "Details - Cleaned." Such coins typically sell for 50% or less of problem-free values at the same detail level.
What is the difference between business strikes and Proofs?
Business strikes were produced for circulation and feature satin luster with normal strike quality. Proofs were specially made for collectors using polished dies and planchets, struck multiple times to create deeply mirrored fields and frosted devices with sharp details. The visual difference is immediately apparent: Proofs have a reflective, mirror-like surface quality that business strikes never possess. For 1866, approximately 550 Proofs survive compared to only 74 graded Philadelphia business strikes, making the Proof ironically more available despite its "special collector" status.
Are there any valuable die varieties for 1866?
Two minor repunched date varieties exist—one on the Philadelphia business strike (V-1, Flynn-RPD-001) showing light repunching above the first '1', and one on Proofs (Breen-3118) with date repunching. However, neither variety commands market premiums. The base rarity of the Philadelphia issue drives all value, and collectors focus on grade quality rather than die characteristics. Die variety premiums are typically most significant on common-date coins where the variety itself creates scarcity.
What is a Cameo or Deep Cameo Proof?
These designations describe the degree of contrast between a Proof's mirrored fields and frosted devices. Cameo (CAM) shows distinct frosting creating moderate contrast. Deep Cameo or Ultra Cameo (DCAM/UCAM) exhibits heavy frosting against deeply mirrored, nearly black fields for stark dramatic contrast. DCAM specimens command substantial premiums—often doubling or tripling values compared to standard Brilliant Proofs in the same numerical grade. A PR-67+ DCAM example brought $19,800 versus $5,000-$7,000 for brilliant PR-67 specimens.
How should I store and handle my 1866 Half Dime?
Use only inert, archival-quality holders such as PCGS/NGC slabs or high-quality acrylic capsules. Never use soft PVC flips which can leach harmful chemicals causing permanent damage. Always handle coins by their edges only, preferably wearing lint-free cotton gloves, as skin oils can cause permanent etching. Store in a cool, dry, stable environment (65-70°F, below 50% humidity) away from temperature fluctuations and moisture. For valuable collections, consider climate-controlled storage or a safe deposit box.
What is the Type 5 Legend Obverse design?
The Type 5 design, used from 1860-1873, features the legend "UNITED STATES OF AMERICA" relocated to the obverse, arching around the seated Liberty figure. This replaced the thirteen stars of the previous Type 3 design (1840-1859). The reverse displays a larger, more ornate "cereal wreath" composed of agricultural elements including corn and cotton, creating a distinctly different appearance from earlier, simpler wreaths. All 1866 half dimes share this Type 5 design regardless of mint mark or strike type.
Price Guide Methodology
This price guide synthesizes data from multiple authoritative numismatic sources to provide comprehensive, accurate market valuations for the 1866 Seated Liberty Half Dime. Primary sources include NGC Price Guides, PCGS CoinFacts and auction price databases, Stack's Bowers Galleries coin resource center, Heritage Auctions archives, and specialized numismatic publications including CoinWeek analysis.
Values represent retail prices that informed collectors can expect to pay from reputable dealers for problem-free, properly graded examples. Actual transaction prices vary based on eye appeal, strike quality, toning characteristics, and market conditions at time of sale. Coins with problems such as cleaning, damage, or environmental issues typically sell for 50% or less of listed values. Auction results cited include source, date, and certification details where available.
The numismatic market experiences fluctuations based on precious metal prices, collector demand, and economic conditions. Prices should be considered estimates subject to change. For significant purchases or sales, consult multiple current sources and consider professional appraisal. References are cited throughout using superscript numbers linking to source documentation.
