2019 Lincoln Cent Errors: Value Guide & Rare Varieties

Is your 2019 penny worth more than face value? Complete guide to 2019-W West Point cents ($10–$45+), DDO-001 Extra Ear doubled die ($20–$50), and major strike errors. Current diagnostics, auction records, and trap warnings for collectors.

Quick Answer

Most 2019 Lincoln pennies are worth $0.01, but three scenarios push values to $20–$75+: the historic 2019-W West Point cents, the 2019-D DDO-001 "Extra Ear" doubled die, and major strike errors like off-center strikes.

  • 2019-W cents (any finish): $10–$45+ — look for a clear "W" directly under the date
  • 2019-D DDO-001 (extra earlobe pointing south): $20–$50 raw — Denver coins only, needs 10x loupe
  • Major off-center strikes (30–60% with full date visible): $30–$75

⚠️ Two big traps: Raised bumps (plating blisters) and flat shelf-like doubling (machine doubling) are the most common "false alarms" on 2019 cents — both are worth exactly $0.01.

2019 Lincoln Shield Cent Errors Error Checker

Check your coin for valuable errors and varieties

Values shown are typical retail estimates as of 2026-01.

Error coin values vary based on grade, eye appeal, and market conditions.

Professional authentication (PCGS/NGC) recommended for 2019-W cents targeting MS70/PR70 and visually dramatic major errors.

Machine Doubling (flat, shelf-like) is NOT a valuable doubled die error and is pervasive on Shield cents.

Plating blisters on zinc cents are common manufacturing defects, not valuable errors.

2019-W cents were distributed exclusively in annual Mint sets and were not released into general circulation.

Do not submit common 2019-P or 2019-D cents for professional grading unless a major error is confirmed — grading fees exceed the coin's value.

In 2019, the U.S. Mint made history: for the very first time in the 110-year life of the Lincoln cent, a "W" mint mark appeared on pennies — but only inside special annual collector sets, never in pocket change. Alongside this milestone, a verified doubled die variety from Denver and dramatic strike errors give roll hunters real reasons to look twice. This guide explains exactly what's valuable, what's a trap, and how to tell the difference for any 2019 Lincoln cent.

2019 Lincoln Cent Specifications & Mintage

The 2019 Lincoln Shield Cent was struck at four mints. Philadelphia (no mint mark) and Denver (D) produced billions of coins for general circulation — these are the pennies in your pocket change. San Francisco (S) struck proof-only coins for annual collector sets. West Point (W) produced three special finishes that marked the first time in Lincoln cent history that a "W" mint mark appeared on the denomination. None of the W cents entered general circulation.

Standard weight is 2.50g. A coin below 2.40g often signals zinc corrosion (damage). A coin significantly wider than 19.05mm may be a broadstrike error worth examining.

SpecificationDetail
Composition99.2% Zinc core, 0.8% Copper plating
Weight2.50g (±0.10g tolerance)
Diameter19.05mm
SeriesLincoln Shield Cent (2010–present)
Philadelphia (P) Mintage3,728,400,000
Denver (D) Mintage3,792,400,000
West Point (W) Uncirculated~346,117 (lowest W cent mintage)
West Point (W) Proof~600,000
West Point (W) Reverse Proof~400,000
2019 Lincoln cent obverse showing W mint mark location directly below date

The "W" mint mark sits directly below the date on the obverse. A clear, defined letter—not a blob—confirms a West Point cent.

For full grade-by-grade values for non-error 2019 Lincoln cents, see our complete 2019 Lincoln cent value guide.

2019 Lincoln Cent Quick Value Checks

Run through these checks before spending or discarding a 2019 cent. The first two flag genuinely valuable coins; the third is the most common time-waster.

Check 1: W Mint Mark (West Point Issue)

Where to Look

Directly under the date "2019" on the obverse (front) of the coin. No magnification needed — a 5x magnifier is sufficient.

What Counts

A clear, sharp "W" letter. The coin may have a mirror-like finish (Proof), satiny matte (Uncirculated), or frosted fields with mirror devices (Reverse Proof).

Comparison of all four 2019 cent mint marks showing P no mark D W and S positions

Mint mark position guide: No mark = Philadelphia, D = Denver, S = San Francisco (proof only), W = West Point (valuable).

What It's NOT

A blob or raised bump near the date is likely a die chip or plating blister. A damaged "D" mint mark may superficially resemble a "W". The letter must be a clearly defined "W".

💰 If positive:$10–$45+ depending on finish and grade | See detailed guide →

Check 2: DDO-001 "Extra Ear" (Denver Coins Only)

Where to Look

Lincoln's earlobe on the obverse of 2019-D (Denver) coins. Use a 10x jeweler's loupe — a magnifying glass. This check is Denver-specific.

What Counts

A distinct extra earlobe protruding to the south/southeast, raised and rounded, mirroring the relief of the primary lobe. Look for die crack markers on Stage B coins: a faint crack on the forehead and another on the upper-left shield edge (reverse).

What It's NOT

Machine Doubling (MD) appears as a flat, shelf-like step that actually reduces device size — it adds zero value. Random plating blisters or bumps that don't follow the anatomical curve of an earlobe are also not this variety.

💰 If positive:$20–$50 raw | See detailed guide →

Check 3: Plating Blisters (NOT Valuable)

Where to Look

The open fields around Lincoln's bust on the front and around the Shield on the back of the coin.

What You See

Raised bumps, "pimples" or bubbling textures anywhere on the surface. Often hollow or mushy when probed gently with a toothpick.

Why It's Worthless

These are Plating Blisters — gas trapped between the zinc core and copper plating during manufacturing. They are frequently misidentified as "cuds", extra digits, or mint marks. Dark spots or holes are Zinc Rot (corrosion damage). Neither adds any collector value.

❌ Result: Face value only ($0.01) | See Traps section →

2019 Lincoln Cent Errors & Values: Master Table

Values below are retail estimates as of January 2026 for raw (uncertified) coins unless noted. Only verified varieties are included — no unconfirmed eBay listings.

Baseline Values by Mint

MintIssue TypeConditionValueNote
Philadelphia (P)Business StrikeCirculated$0.01Check carefully for W mint mark
Philadelphia (P)Business StrikeUncirculated (MS65)$0.20–$1.00Mintage: 3.73 billion
Denver (D)Business StrikeCirculated$0.01Check for DDO-001 extra ear
Denver (D)Business StrikeUncirculated (MS65)$0.20–$1.00Mintage: 3.79 billion
San Francisco (S)ProofUncirculated (PR65)$2–$5Annual Proof Set only
West Point (W)Uncirculated (Satiny)MS65+$10–$20 raw / $15–$25 unc~346,117 made; lowest W mintage
West Point (W)ProofPR65+$15–$30~600,000 made; PR69 ≈ $60
West Point (W)Reverse ProofMS65+$20–$45~400,000 made; MS70 ≈ $100

Error & Variety Master Table

Error TypeDesignationMintRarityValue RangeAuction Record
W Reverse ProofWLimited (~400K)$20–$45~$100 (MS70)
W ProofWLimited (~600K)$15–$30~$60 (PR69)
W UncirculatedWLimited (~346K)$10–$25~$40 (MS69)
DDO-001 "Extra Ear"WDDO-001DScarce$20–$50 raw
Off-Center Strike (30–60%)P or DVery Rare$30–$75$50–$100 est.
BroadstrikeP or DVery Rare$15–$40
Cud (Broken Die)P or DVery Rare$15+
Minor Die Chip/CrackP or DUncommon$0.25–$2.00
Off-Center (1–10%)P or DRare$2–$5

2019 Lincoln Cent Rare Errors & Variety Values

Detailed guides for every verified high-value variety and error. Click a section to jump directly or scroll through in order.

2019-W West Point Lincoln Cents (Historic First)

Special Issue / Key Date
Value: $10–$45+ depending on finish and grade
Limited Mintage
Three 2019-W Lincoln cent finishes side by side: Uncirculated, Proof, and Reverse Proof

Left: Uncirculated (satiny matte). Center: Proof (mirror fields, frosted devices). Right: Reverse Proof (frosted fields, mirror devices).

Origin & Background

The 2019-W cents were created to commemorate the 110th anniversary of the Lincoln cent, first minted in 1909. They were the first Lincoln cents ever to bear the West Point (W) mint mark. Three distinct finishes were produced, each distributed exclusively inside a different annual Mint set — none were released into general circulation or sold individually. Finding one in pocket change means it escaped a broken or spent collection set.

  • 2019-W Uncirculated (Satiny finish): Packaged in the 2019 Uncirculated Coin Set. Lowest mintage at ~346,117 — the scarcest of the three W finishes.
  • 2019-W Proof (Mirror fields, frosted devices): Packaged in the standard 2019 Proof Set. Mintage ~600,000.
  • 2019-W Reverse Proof (Frosted fields, mirror devices): Packaged in the 2019 Silver Proof Set. Mintage ~400,000. Most desirable finish.

How to Identify

  • A clearly struck "W" letter directly beneath the date "2019" on the obverse (front).
  • Proof: Mirror-like (highly reflective) fields, frosted raised devices. Sharp, squared rims.
  • Reverse Proof: Frosted (matte) fields with mirror-like raised devices — the opposite of a standard Proof.
  • Uncirculated: Satiny, satin-like sheen with no mirror surfaces. Distinct from the bright luster of a regular business strike.

Quality Control Note

Many collectors reported receiving 2019-W Reverse Proof cents with water spots or haze on surfaces straight from the Mint's packaging. High-grade MS70 or PR70 examples free of these defects command significant premiums due to the difficulty of finding pristine specimens.

False Positives to Avoid

A plating blister or die chip near the mint mark area can mimic a letter shape. A damaged "D" mint mark from a Denver coin can superficially resemble a "W". The "W" must be a cleanly struck, fully formed letter with four distinct strokes.

Market Values

  • 👉 W Uncirculated (Satiny) — Raw: $10–$20 | MS69: ~$40
  • 👉 W Proof — Raw: $15–$30 | PR69: ~$60
  • 👉 W Reverse Proof — Raw: $20–$45 | MS70: ~$100
  • 👉 Circulated W cent (any finish): $5–$10+ — still well above face value

Auction Record

~$100 for MS70 Reverse Proof examples (verified via coin dealer market data, 2024–2025).


2019-D DDO-001 "Extra Ear" (WDDO-001)

Die Variety (Doubled Die Obverse)
Value: $20–$50 raw
Scarce — Denver Only
Normal Lincoln earlobe versus DDO-001 extra earlobe protruding south on 2019-D cent

Normal Lincoln earlobe (left) vs. DDO-001 showing an extra rounded lobe protruding south/southeast (right).

Origin & Background

A Doubled Die Obverse (DDO) is a variety created during the die-making process when the hub (the master tool used to impress the design onto working dies) imprints the design twice at slightly different angles. The 2019-D DDO-001 is a Class VIII (tilted hub) double, where a slight tilt during the hubbing process caused a secondary impression on Lincoln's ear. In the modern "single-squeeze" hubbing era (intended to eliminate such errors), the persistence of this variety makes it notable to modern cent specialists. It is listed by VarietyVista and CONECA as WDDO-001.

Stage B die crack markers on 2019-D DDO-001 showing forehead crack and shield edge crack

Stage B die crack markers: faint crack on Lincoln's forehead and a separate crack on the upper-left shield edge (reverse). Both help confirm DDO-001 attribution.

How to Identify

  • Use a 10x jeweler's loupe (a small magnifying glass used by collectors and jewelers).
  • Focus on Lincoln's earlobe. Look for a distinct, secondary lobe protruding to the south or southeast below the primary lobe. It should appear raised and rounded, not flat.
  • For Stage B die state, confirm with two die markers: a light die crack on the forehead and a light die crack on the upper-left shield edge on the reverse.
  • Cross-reference against the VarietyVista 2019 DDO listing for photo confirmation.

False Positives to Avoid

Machine Doubling (MD) is the most common impersonator. MD creates a flat, shelf-like ledge on the side of design elements that makes devices appear slightly smaller — it's caused by die movement on retraction, not a doubled hub. Die Deterioration Doubling creates a smeared or shadowy "ghost" effect flowing toward the rim. Both are worthless. Plating blisters near the ear area can also fool the untrained eye but won't match the anatomical curve of a lobe.

Market Values

  • 👉 Raw (ungraded): $20–$50
  • 👉 Market: Primarily a niche variety traded among modern cent specialists. No major standalone auction records as of January 2026.
  • 👉 Note: Professional grading fees ($30–$60+) often exceed raw value. Sell raw unless you have a gem-quality example.

Auction Record

No major standalone auction records documented. Most transactions occur via direct sales or small dealer lots.


2019 Major Strike Errors: Off-Center & Broadstrike

Striking Error
Value: $2–$75 (severity-dependent)
Very Rare — P or D
Off-center strike severity scale showing 10 percent 30 percent and 50 percent examples with value ranges

Off-center severity scale: 10% (slight crescent, low value), 30% (clear blank area, moderate value), 50%+ with full date (maximum value).

Off-Center Strikes

An Off-Center Strike occurs when the blank planchet (the metal disc before striking) is not properly centered between the two dies. The result is a crescent-shaped area of unstruck, blank metal on one side of the coin, with a corresponding loss of design on the opposite side. Value is driven by two factors:

  • Displacement percentage: A 50% off-center is far more valuable than 5%.
  • Date visibility: The date "2019" must be fully visible for maximum collector value. A 60% off-center with a missing date is worth less than a 40% off-center with a complete date.
SeverityVisual CueValue Range (Raw)
1–10%Minor trim of lettering at edge$2–$5
10–30%Clear blank crescent, full date visible$10–$30
30–60%Major displacement, full date visible$30–$75
Normal 2019 cent with rim next to broadstrike with expanded diameter and flat missing rim

Normal 2019 cent (left, 19.05mm) vs. broadstrike (right, visibly wider with flat or absent rim).

Broadstrikes

A Broadstrike occurs when the collar die — the ring that surrounds the coin during striking and forms the rim and maintains the diameter — fails to deploy or is missing. Without containment, the metal flows outward freely, producing a coin that is noticeably wider than 19.05mm with a flat or absent rim and a distorted but complete design. Use calipers (a measuring tool) to confirm the diameter exceeds standard. Value range: $15–$40.

False Positives to Avoid

Post-Mint Damage (PMD) from being run over by a car, squeezed in machinery, or hammered flat can mimic a broadstrike. PMD will show irregular edges, scratches, and distorted surfaces inconsistent with a clean die-struck expansion. A genuine broadstrike expands evenly with clean die-struck surfaces throughout.

Rarity Note

In 2019, Philadelphia and Denver utilized advanced automated sensors to detect and eject malformed coins. Major strike errors escaping into circulation are significantly rarer than in previous decades, which contributes to their collector appeal.

2019 Lincoln Cent Common Traps: False Errors to Avoid

These are the four most common reasons collectors get excited about a 2019 cent that turns out to be worth $0.01. Knowing these traps saves time and prevents overpaying.

⚠️ Trap 1: Plating Blisters & Zinc Rot

What You See:

Raised bumps, "pimples", bubbling textures, or hollow-sounding bumps anywhere on the coin surface. Sometimes the bumps compress when probed gently. Dark spots or actual holes indicate zinc rot.

Why It Happens:

Gas trapped between the 99.2% zinc core and the thin copper plating during the electroplating process. When the gas expands, it pushes the copper away from the zinc, creating a blister. Over time, exposed zinc corrodes into zinc rot.

How to Tell It's NOT Valuable:
  • A blister compresses or pops when touched with a toothpick — a true raised die element is solid metal.
  • Blisters appear random and don't follow any design element. "Extra digits" or mint mark impersonators will not have the defined shape of struck lettering.
  • Cuds — which are real errors — must be attached to the rim. A blister in the open field is not a cud.
Zinc rot damage on modern cent showing dark spots holes and erupting blisters from corrosion

Zinc rot: dark spots, pitting, and holes from corrosion of the zinc core. Worth face value only.

Value: Face value only ($0.01).

⚠️ Trap 2: Machine Doubling (MD)

What You See:

A flat, shelf-like "step" on the side of the date, lettering, or Lincoln's portrait. Devices look like they have a secondary "shadow" that is slightly smaller and offset.

Why It Happens:

A loose or bouncing die shifts slightly on retraction after striking. This smears the design mechanically rather than imprinting it twice from a doubled hub. It is pervasive on modern Shield cents and does not occur during the design-making process.

Machine Doubling flat shelf versus true Doubled Die raised separation on Lincoln cent lettering

Machine Doubling (left): flat, shelf-like, reduces device size. True DDO (right): raised, rounded secondary impression with separation.

How to Tell It's NOT Valuable:
  • MD is flat and shelf-like — a true doubled die shows raised, rounded secondary design elements.
  • MD reduces the apparent size of the device. A true DDO shows full separation with two complete impressions.
  • MD is extremely common on 2019 cents — if it's everywhere on the coin, it's almost certainly MD.

Value: Face value only ($0.01).

⚠️ Trap 3: Die Deterioration Doubling (DDD)

What You See:

A "smeared", "orange-peel", or "shadow" effect on letters and devices that flows toward the rim. The design may look "thick" or fuzzy at its edges.

Why It Happens:

Die faces degrade after striking hundreds of thousands of hard zinc planchets. The worn die face smears metal during striking rather than cleanly impressing the design.

How to Tell It's NOT Valuable:
  • DDD flows toward the rim — true doubled dies show localized separation in specific areas (like an earlobe).
  • DDD is often accompanied by a general loss of sharpness across the entire coin.
  • DDD produces no defined secondary impression — just a smear.

Value: Face value only ($0.01).

⚠️ Trap 4: The "Gold" Penny

What You See:

A 2019 cent that appears gold, brassy, or with unusual coloration.

Why It Happens:

Almost always a high-school chemistry experiment (zinc plated with brass/gold-colored metal) or environmental toning. A genuine wrong-metal planchet error would be authenticated by a difference in weight.

How to Tell It's NOT Valuable:
  • Weigh the coin. If it's 2.50g, it's a standard zinc cent — the color is artificial.
  • True planchet errors for 2019 are essentially impossible given the separation of planchet stocks since 1982.
  • Any gold-colored cent should be verified by a TPG before concluding it has value.

Value: Face value only ($0.01), or less if considered damaged/altered.

Plating blisters on zinc cent field showing raised bumps caused by trapped gas

Plating blisters on a zinc cent's field: random raised bumps caused by gas between the zinc core and copper plating.

2019 Lincoln Cent Grading: How Condition Affects Value

Grading assigns a numerical score from 1 (barely identifiable) to 70 (perfect) to describe a coin's condition. For 2019 cents, grade matters most for W mint issues and major errors, where the difference between MS69 and MS70 can mean $40 vs. $100 or more.

Grade RangeDescriptionExample Value Impact (W Cent)
Circulated (G–AU)Visible wear on Lincoln's cheek, jaw, and Shield high points$5–$10 (W cents)
MS/PR 60–64No wear but visible contact marks or bag marksLow premium
MS/PR 65–68Few marks, strong luster or proof surfaces$15–$45 (W cents)
MS/PR 69Nearly perfect; minor imperfections only under magnification$40–$60+ (W cents)
MS/PR 70Perfect; no imperfections visible even at 5x magnification~$100 (W Rev Proof)

Key tip: Many 2019-W cents were delivered from Mint packaging with water spots or haze — these prevent a MS70/PR70 grade. Handle W cents only by the edge, store in archival-quality flips, and never clean them.

2019 Lincoln Cent Authentication: When to Get Certified

Professional Third-Party Grading (TPG) services like PCGS and NGC encapsulate and authenticate coins. Grading fees typically run $30–$60+ per coin. For 2019 cents, the math only works in your favor in limited situations.

✅ Submit to PCGS/NGC When:

  • 2019-W cent in pristine condition targeting MS70 or PR70 — the grade premium justifies the fee.
  • Visually dramatic major error: A 50%+ off-center strike, a dramatic broadstrike, or a large cud. These errors fetch enough to cover fees and then some.

⚠️ Do NOT Submit When:

  • Common 2019-P or 2019-D business strikes with no errors. Grading fees ($30–$60+) vastly exceed the coin's value ($0.01–$1.00).
  • DDO-001 "Extra Ear": Raw sales are the standard path. The variety trades at $20–$50 raw, which rarely justifies grading fees.
  • Minor die chips or cracks: Values ($0.25–$2.00) never justify TPG costs.

Required Tools for Home Examination

  • 10x–20x Jeweler's Loupe: Non-negotiable for distinguishing true doubled dies from machine doubling. The flat shelf of MD vs. the raised roundness of a true DDO is only apparent under magnification.
  • 0.01g Digital Scale: Required to verify planchet weight (standard: 2.50g ±0.10g) and rule out wrong-planchet errors or zinc corrosion weight loss.

Dealer listings for 2019 Lincoln cent errors: check major numismatic platforms or consult a certified numismatist for in-person evaluation of significant finds.

2019 Lincoln Cent Frequently Asked Questions

Is my 2019 penny with a W worth anything?

Yes — significantly. Even a circulated 2019-W cent is worth $5–$10+ because only around 346,000–600,000 were made (depending on finish), and none were released into general circulation. Uncirculated examples with their original finish are worth $10–$45+. Do not spend it. Store it in a protective holder and handle only by the edge.

What is the DDO-001 "Extra Ear" variety and how rare is it?

The 2019-D DDO-001 (also listed as WDDO-001 by Wexler and VarietyVista) shows a distinct secondary earlobe protruding south/southeast on Lincoln's ear. It is a Class VIII tilted-hub doubled die from the Denver mint. It is considered "scarce" — verified by major attribution services but not common. Values run $20–$50 raw. It's a niche variety primarily collected by modern cent specialists, not a mainstream blockbuster like the 1955 DDO.

How do I tell the difference between machine doubling and a real doubled die?

This is the most important distinction in 2019 cent collecting. Machine Doubling (MD) is flat and shelf-like — it looks like design elements have a thin, flat ledge on one side that actually reduces the device's apparent size. A true Doubled Die is raised and rounded — it shows a full secondary impression with separation between the primary and secondary design elements. MD adds zero value. Use a 10x loupe: if the "doubling" is a flat shelf, it's MD.

Are plating blisters on 2019 pennies worth anything?

No. Plating blisters are manufacturing defects — gas bubbles trapped between the zinc core and copper plating. They frequently resemble "extra digits" or "mint marks" to new collectors, but they have no numismatic value and are not considered errors by major grading services. Dark spots or holes are zinc rot (corrosion), also worth face value only. If you can compress or pop the bump with a toothpick, it is definitively a blister.

What are the three different 2019-W cent finishes and which is most valuable?

The three 2019-W finishes are: (1) Uncirculated/Satiny — a satin-matte look, from the Uncirculated Coin Set; (2) Proof — mirror-like fields with frosted raised devices, from the standard Proof Set; and (3) Reverse Proof — frosted fields with mirror devices, the opposite of a standard proof, from the Silver Proof Set. The Reverse Proof is generally the most desirable due to its unique appearance and inclusion in the higher-priced Silver Proof Set. It commands $20–$45 raw and up to ~$100 in MS70.

Are there any verified 2019 Doubled Die Reverse (DDR) varieties?

Current research indicates no major Doubled Die Reverse (DDR) for 2019 that carries significant market premiums. While minor anomalies exist, none have achieved recognized "must-have" status with major attribution services. Listings for 2019 DDRs on secondary platforms typically turn out to be Machine Doubling or Die Deterioration Doubling — both worth face value.

How can I find a 2019-W cent in circulation?

2019-W cents were never released into general circulation by the U.S. Mint — they were only distributed inside annual Mint sets. However, collectors who removed them from their sets and spent them (or inherited collections that were liquidated) have introduced a small number into circulation. Finding one requires examining 2019-dated cents carefully with the naked eye or a 5x magnifier. The odds are extremely low, but the "W" is visible without magnification on an uncluttered coin.

Should I clean my 2019-W cent to remove water spots?

Absolutely not. Cleaning a coin — even with water or a soft cloth — leaves microscopic scratches that reduce its grade and, therefore, its value. A coin graded "Cleaned" by PCGS or NGC is worth significantly less than an unclean example of equivalent wear. Water spots that came from the Mint's packaging are a known quality control issue for 2019-W cents and are already factored into market prices. Leave the coin as-is and store it in an archival flip or protective holder.

2019 Lincoln Cent Research Methodology & Sources

Values and diagnostics in this guide are sourced exclusively from established numismatic authorities. All prices reflect retail estimates as of January 2026 based on verified auction realizations and dealer market data. No unverified marketplace listings were used.

A note on images: To help illustrate coin diagnostics and rare varieties — especially complex errors that are difficult to describe in text alone — this guide uses AI-generated images. All written values, diagnostics, and variety attributions have been manually reviewed against the cited sources above. While our editorial team works to ensure every image is accurate and helpful, AI-generated illustrations may occasionally misrepresent fine details. If you spot any discrepancy between an image and its written description, please contact us or leave a comment below — we review all feedback and correct errors promptly. Numismatic knowledge is a community effort, and your input helps us build a more accurate resource for everyone.

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