1970 Canadian 50-Cent (Half Dollar) Value Guide
Find out what your 1970 Canadian 50-cent coin is worth. Complete price guide by grade, finish (Business Strike, PL, Heavy Cameo), and the Doubled 0 in Date variety. All values in CAD, updated February 2026.
Most circulated 1970 Canadian 50-cent coins are worth exactly $0.50 (face value). In top certified Gem condition (MS65), Business Strikes reach $18.00; an elite MS66 commands $65–$80.
- Circulated (G4–AU50):$0.50–$1.00 (face value only)
- Uncirculated Business Strike (MS63):$3.00
- Gem Business Strike (MS65):$18.00
- Superb Gem Business Strike (MS66):$65–$80
- Proof-Like Standard (PL67):$15.00
- Proof-Like Heavy Cameo (PL67):$90.00 — trophy PL67 Ultra Cameo up to ~$265
- Doubled 0 in Date Variety (MS65):$44.00
Found in circulation? Worth face value only — no silver or precious metal. Shiny or mirror-like fields? Almost certainly a Proof-Like (PL) from a collector set, not a rare high-grade Business Strike — see the PL table below. Is it silver? No — the 1970 50-cent coin is 100% pure nickel and will stick powerfully to a magnet; pre-1968 Canadian half dollars were 80% silver and are non-magnetic. All values in CAD as of February 2026. See full value chart →
The 1970 Canadian 50-cent piece belongs to the pure-nickel era of Canada's half dollar, struck entirely at the Royal Canadian Mint's Ottawa facility following the definitive abandonment of silver coinage in 1968. It pairs Arnold Machin's Second Portrait of Queen Elizabeth II — the mature Queen wearing a tiara — with Thomas Shingles' intricately detailed Coat of Arms reverse, produced both for commercial circulation (2,429,516 pieces) and for inclusion in Proof-Like (PL) collector pliofilm sets (349,120 sets). The 50-cent denomination has rarely circulated in everyday commerce, and most surviving examples are collector-held rather than pocket-worn. For pricing across all years and eras of Canada's half dollar, visit our Canadian Half Dollar Value Guide.
Note: Mint errors exist for the 1970 50-cent coin but are outside the scope of this standard value guide.
1970 Canadian Half Dollar Composition & Melt Value
The 1970 Canadian 50-cent piece is composed of 100% pure nickel — catalogued by the Royal Canadian Mint as 99.9% minimum pure nickel. This metallurgical choice was the direct result of a silver crisis in the late 1960s: as global silver spot prices surged, the intrinsic melt value of Canada's 80%-silver half dollars threatened to exceed their face value, triggering widespread hoarding and melting. Leveraging its vast domestic nickel deposits centred on Ontario's Sudbury Basin, Canada transitioned the 50-cent, 25-cent, and 10-cent denominations to pure nickel in 1968 — two years before this coin was struck. For official Royal Canadian Mint composition history and production context, see 50 Cents — The Royal Canadian Mint.
No Precious Metal Content — Negligible Melt Value
Because the 1970 50-cent piece contains absolutely no silver, gold, platinum, or palladium, its intrinsic metal value is negligible relative to its face value and its numismatic value. The raw nickel content of a single 8.10-gram planchet amounts to mere fractions of a Canadian dollar at current commodity prices, regardless of market conditions. Collectors and dealers must therefore evaluate this coin exclusively on the basis of numismatic grade, finish type, and variety status — not bullion potential.
Magnetic Properties: The Critical Authentication Diagnostic
Pure nickel is strongly ferromagnetic. A genuine 1970 Canadian 50-cent coin will be immediately and powerfully attracted to a rare-earth magnet — this is the defining physical characteristic of the pure-nickel era. This magnetic test is a crucial authentication step for two reasons. First, it instantly distinguishes a 1970 pure-nickel coin from pre-1968 Canadian half dollars struck in 80% silver, which are entirely non-magnetic. Second, if a 1970-dated 50-cent coin fails to attract a magnet at all, it is either an extraordinary off-metal error (such as a strike on a leftover silver planchet, requiring immediate professional authentication) or a base-metal counterfeit. In either case, confirm the finding with an accurate digital scale — a genuine 1970 example must weigh exactly 8.10 grams.
Note: The Currency Act of Canada prohibits the melting, breaking, or deforming of Canadian coin. All value assessments in this guide are based on numismatic, face-value, and collector-market factors only.
1970 Canadian Half Dollar Value Chart by Grade & Finish
The 1970 50-cent piece exists in two verified finish categories: Business Strikes (struck for commercial circulation) and Proof-Like (PL) collector strikes (from pliofilm uncirculated sets). No separate Specimen (SP) production run exists for this year — see the PL section below for the full explanation of occasional SP-labeled examples. Values are in CAD as of February 2026, sourced from NewCan Coins & Currency, London Coin Centre, Coins and Canada (February 2026), Calgary Coin, the Charlton Standard Catalogue, and ICCS Trends.
1970 Canadian Half Dollar — Business Strike (Circulation)
Business strikes were produced at high speed and ejected into large canvas bags after minting. The large, heavy pure-nickel planchets were extremely susceptible to deep bag marks, gouges, and surface friction during this industrial process, making truly pristine Gem examples exceptionally scarce. There is a dramatic value cliff between MS64 (typically under $10) and MS65 ($18.00) driven entirely by the strict absence of contact marks on the large open fields, the Queen's cheek, and the flat planes of the heraldic shield.
| Type / Design | G4 | VG8 | F12 | VF20 | EF40 | AU50 | MS60 | MS63 | MS65 | MS66 | Notes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Standard Coat of Arms | $0.50 | $0.50 | $0.50 | $0.50 | $0.75 | $1.00 | $1.30 | $3.00 | $18.00 | $65–$80 | MS67 results highly volatile; extreme top-population auction premium. All circulated grades (G4–AU50) trade at face value only due to absence of precious metal. |
| Doubled 0 in Date (Charlton-Recognized Variety) | $0.50 | $0.50 | $0.75 | $1.00 | $2.00 | $5.00 | $10.00 | $18.00 | $44.00 | $65–$160 | Commands 200–300% premium over standard values in MS63–MS65. Confirm with 10x loupe on the reverse date before attributing. See Variants section for diagnostics. |
Mintage (Business Strike / CLT): 2,429,516. Values assume problem-free, uncleaned examples graded to ICCS/PCGS/NGC standards. For global auction comparisons, see the NGC Canada 50 Cents KM 75.1 Price Guide and PCGS ValueView — 1970 50C.
⚠️ Never Clean Your Coins
Cleaning a 1970 50-cent coin destroys its original cartwheel luster or PL mirror fields, leaving hairlines visible under magnification. A cleaned coin receives a "Details" (damaged) designation from grading services and loses all numismatic premium regardless of its underlying design sharpness. Even rinsing with tap water can leave mineral deposits on a pure nickel surface.
1970 Canadian Half Dollar — Proof-Like (PL) Collector Strikes
PL coins were struck on specially selected, chemically washed planchets using freshly polished dies and sealed directly into flat, transparent pliofilm sets by RCM employees. They exhibit deeply mirrored, glass-like fields with varying degrees of frosting on the raised devices. The key value driver for PL coins is cameo contrast — the degree to which the frosted portrait and Coat of Arms stand out against the mirrored background fields.
A note on the Specimen (SP) designation for 1970: The Royal Canadian Mint did not formally standardize Specimen strikes — characterized by parallel-lined or matte fields in specialized leatherette presentation cases — until 1971. Some grading services loosely apply an SP designation to exceptional early-die-state 1970 PL strikes. In the contemporary marketplace, these SP-labeled coins track high-end PL values for this year; there is no separate 1970 SP production line to catalog. The table below uses PL as the primary designation, with the SP63/SP65 notation reflecting this grading service practice.
| Finish | PL63 / SP63 | PL65 / SP65 | PL66 | PL67 | Notes |
|---|---|---|---|---|---|
| Standard Proof-Like (Brilliant) | $1.50 | $4.00 | $8.00 | $15.00 | Mirror fields; devices share similar brilliant metallic tone with no pronounced frost. No cameo contrast. |
| Proof-Like Cameo | $3.00 | $8.00 | $15.00 | $30.00 | Noticeable, unbroken frosting on primary devices (portrait and heraldic shield) contrasting against mirrored fields. |
| Proof-Like Heavy Cameo (Ultra Cameo) | $10.00 | $22.00 | $50.00 | $90.00 | Thick, opaque snow-white frost on all devices; highly sought by registry set collectors. Trophy PL67 Ultra Cameo examples reach approximately $265. Extremely rare at the highest grades. |
Mintage (PL Collector Sets / NCLT): 349,120. Heavy Cameo frosting is present only on the earliest strikes from freshly acid-etched and polished PL dies; it degrades rapidly with continued striking pressure, making true Heavy Cameo examples significantly scarcer than standard brilliant PL coins. Sources: Calgary Coin — Canadian 50 Cent Coins; NewCan Coins / ICCS Trends (2024–2025); Charlton Standard Catalogue.
⚠️ PVC Damage Risk
PL coins stored in their original 1970 pliofilm packaging for decades may develop a green, waxy, or slimy PVC residue on their surfaces. If you observe this discolouration, the coin requires professional conservation with pure acetone — do not use nail polish remover or abrasive cloths. PVC-damaged coins revert toward face value regardless of their underlying grade potential.
All values in CAD as of February 2026. For the complete denomination price guide, see our Canadian Half Dollar Value Guide.
Most Valuable 1970 Canadian Half Dollar Varieties
The 1970 50-cent piece does not have a large variety family, but the documented examples reward careful examination. Extreme conditional rarity (driven by the large nickel planchet's inherent susceptibility to bag marks) and the Charlton-recognized Doubled 0 in Date die variety are the two primary routes to significantly elevated value above the standard baseline.
A) Trophy-Level Examples (Not Typical Prices)
The following prices reflect intense competition among elite registry set collectors. They are explicitly not typical and require professional third-party certification to realize.
| What | Why It Commands a Premium | Grade / Finish Required | Documented Value Range | Source |
|---|---|---|---|---|
| MS66 / MS67 Business Strike (Standard) | Absolute conditional scarcity — the large pure-nickel planchets accumulate deep bag marks at every stage of minting and distribution. A flawless Business Strike is genuinely rare. | MS66 or MS67 (Business Strike) | $65–$80 (MS66). MS67 results are highly volatile; significant top-population auction premium. | NewCan Coins / ICCS Trends (2024–2025) |
| PL67 Heavy / Ultra Heavy Cameo | The absolute pinnacle of RCM manufacturing quality for 1970: maximum numerical grade combined with maximum frost thickness on all devices — extremely rare to achieve both simultaneously. | PL67 Heavy Cameo / Ultra Cameo | ~$265 | NewCan Coins / CCCS Archive (2024–2025) |
| MS66 Doubled 0 in Date | Synergistic rarity: Charlton-recognized working die variety combined with the extreme conditional scarcity of a Superb Gem Business Strike. | MS66 (Business Strike, Charlton Variety) | $65–$160 | NewCan Coins / ICCS Trends (2024–2025) |
B) Findable Varieties Worth Checking
The Doubled 0 in Date
The most actionable and financially significant variety for the 1970 50-cent piece is the Doubled 0 in Date, formally recognized by the Charlton Standard Catalogue of Canadian Coins. This variety was caused by a slight rotation or shift during the hubbing process of the working die, meaning only the limited run of coins produced by that specific defective die pair carries the diagnostic feature. It is certifiable by ICCS, PCGS, and NGC.
| Variety | Charlton Reference | How to Identify (Diagnostic) | Premium Impact | Source |
|---|---|---|---|---|
| Doubled "0" in Date | Listed in Charlton Standard Catalogue (specific number varies by edition) | Using a 10x–20x loupe, examine the digit "0" in the 1970 reverse date. Look for a distinct secondary impression, a pronounced shelf, or visible re-punching along the inner or outer curvature of the "0". The doubling must be naturally raised metal caused by a shifted hub impression — not an incised gouge or scratch. | 200–300% premium over standard base values at MS63–MS65 (e.g., $44 vs $18 at MS65) | Charlton Standard Catalogue; NewCan Coins (2024–2025) |
Heavy Cameo (PL) — A Finish Premium Worth Seeking
While not a die variety in the traditional sense, the Heavy Cameo designation is a highly actionable finish premium that collectors can identify with the naked eye under proper lighting. It is caused by the earliest strikes from freshly acid-etched and polished PL dies, which display thick, opaque frost before it rapidly degrades with continued striking pressure. To identify: under direct lighting, the Queen's portrait and the entire Coat of Arms should appear distinctly snow-white against dark, mirror-black background fields. This optical contrast transforms a $4.00 PL65 (standard brilliant) into a $22.00+ Heavy Cameo example at the same numerical grade — and a PL67 Heavy Cameo commands $90.00, with trophy examples reaching approximately $265.
Major mint errors also exist for the 1970 50-cent piece but are outside the scope of this standard value guide.
1970 Canadian Half Dollar Identification Guide
30-Second Identification Checklist
- Monarch / Obverse: Confirm Queen Elizabeth II in Arnold Machin's Second Portrait — the mature Queen facing right, wearing a tiara. The legend reads ELIZABETH II D·G·REGINA. This portrait was used on Canadian coins from 1965 to 1989.
- Reverse Design: Confirm the Coat of Arms of Canada designed by former RCM Chief Engraver Thomas Shingles — featuring the heraldic shield supported by a crowned lion and a chained unicorn, with Latin mottoes and the inscription 50 CENTS / CANADA.
- Date: Confirm "1970" appears on the reverse beneath the Coat of Arms.
- Edge: Run a fingertip around the coin's rim — it should be continuously and evenly reeded (ridged) with no interruption or plain sections.
- Magnet Test (Composition Verification): Apply a strong rare-earth magnet. A genuine 1970 50-cent coin is 100% pure nickel and will be immediately and powerfully attracted. If the coin shows no magnetic attraction whatsoever, it may be a pre-1968 silver half dollar (wrong year on closer inspection), an extraordinary off-metal error, or a counterfeit — weigh it (must be exactly 8.10 grams) and seek professional authentication. The strong magnetic response is your fastest and most reliable confirmation of the correct post-1968 nickel composition.
- Marks: No mint marks appear on any 1970 Canadian 50-cent coin — all pieces were struck exclusively at the Ottawa facility. No privy marks or anniversary marks were used on this denomination in 1970. The absence of a mint mark is correct and expected.
- Finish Identification (Critical): Determine whether your coin is a Business Strike or a Proof-Like — see the comparison below.
- Variety Check (Optional): Inspect the "0" digits in the 1970 reverse date with a 10x loupe — see the Doubled 0 diagnostic in the Variants section above.
Differentiating Business Strike vs. Proof-Like (PL)
Misidentifying a common PL strike as a rare high-grade Business Strike is the single most frequent valuation error made by novice collectors. The two finishes are graded and valued on entirely separate scales.
| Feature | Business Strike (MS) | Proof-Like (PL) |
|---|---|---|
| Fields (background) | Frosty, granular texture; displays a rotating "cartwheel" luster when tilted under incandescent light | Deeply mirrored and glass-like; reflects surrounding text sharply; appears near-black when held flat, flashes brightly when tilted |
| Devices (portrait, shield) | Same frosty texture as the fields — no visual contrast between raised and flat surfaces | Slightly matte or frosty relative to the mirrored fields; Heavy Cameo coins show stark white frosting on portrait and shield |
| Contact marks | Almost always present — bag marks, gouges from the coining process are the rule, not the exception | Generally fewer heavy gouges; may show fine hairlines from removal from pliofilm packaging |
| Origin | Struck at production speed for commercial banking distribution; ejected into canvas bags | Struck on polished planchets from polished dies for collector sets; handled and packaged by mint employees |
| Quick optical test | Hold the coin under a lamp and tilt slowly — luster "wheels" continuously around the surface | Hold printed text face-down above the coin — a true PL field will sharply reflect the letters back to you |
ℹ️ PL Set Contamination
With 349,120 Proof-Like sets produced in 1970, many have been broken open over the decades. A shiny or mirror-like 1970 50-cent coin found loose in a dealer bin, roll, or estate accumulation is almost certainly a PL strike — not a rare high-grade Business Strike. ICCS explicitly labels each certification holder as CLT (Circulation Legal Tender / Business Strike) or NCLT (Non-Circulation Legal Tender / PL), preventing the accidental inflation of value caused by confusing these two finishes.
Authentication Red Flags
Cleaning: The most common and devastating alteration. Parallel hairlines sweeping across the fields — visible under a 5x loupe — indicate the coin was wiped with a cloth or tissue, destroying original luster and permanently rendering the coin as "Details — Cleaned" in the eyes of grading services. A cleaned coin commands a fraction of the values listed in this guide regardless of its design sharpness.
Counterfeit and Variety Alteration Risk: Because the 1970 50-cent piece has relatively modest baseline values in circulated grades, outright counterfeiting for the collector market is not a significant concern. The primary risk is variety alteration — an unscrupulous seller attempting to simulate the Doubled 0 in Date by mechanically working the digit with a sharp tool. Always confirm the doubling consists of smoothly raised metal characteristic of genuine hub doubling, not jagged displaced metal from a graver or punch.
1970 Canadian Half Dollar Value FAQs
What is a 1970 Canadian 50-cent coin worth?
Most circulated examples are worth exactly $0.50 (face value) — the coin contains no precious metal. Uncirculated Business Strikes in MS63 are worth approximately $3.00, and Gem MS65 examples command $18.00. Proof-Like collector set coins range from $1.50 (PL63 standard) to $90.00 (PL67 Heavy Cameo), with trophy-level PL67 Ultra Heavy Cameo examples reaching approximately $265. All values in CAD as of February 2026.
Is a 1970 Canadian 50-cent coin rare?
In circulated to mid-uncirculated grades, no — the 1970 50-cent piece is broadly accessible. The business strike mintage of 2,429,516 and 349,120 PL sets mean examples are plentiful. Conditional rarity applies sharply at the top of the grading scale: a flawless MS66 Business Strike is genuinely scarce because the large pure-nickel planchets accumulate deep bag marks at every stage of production and distribution. The Doubled 0 in Date die variety is also genuinely rarer, affecting only coins produced from a single defective die pair.
What makes a 1970 Canadian half dollar valuable?
Three factors drive value above face level: (1) Condition — the most critical driver. There is a steep value cliff between MS64 and MS65, and MS66 commands many times the MS65 price. Even a single prominent bag mark on the Queen's cheek or the shield's flat planes prevents a coin from reaching MS65. (2) Finish and cameo contrast — a Heavy Cameo PL coin is worth many times a standard brilliant PL at the same numerical grade. (3) Variety status — the Charlton-recognized Doubled 0 in Date commands 200–300% above standard values in the MS63–MS65 range.
Is my 1970 Canadian 50-cent coin silver?
No. The 1970 50-cent piece is 100% pure nickel — it contains no silver or any other precious metal. Canada completed its transition away from silver coinage in 1968. The quick confirmation test is a magnet: a 1970 coin will be strongly attracted, while silver half dollars (pre-1968) are non-magnetic. If your 1970-dated coin fails the magnet test entirely, seek professional authentication, as this would indicate an extraordinary off-metal anomaly requiring specialist evaluation.
Should I get my 1970 Canadian 50-cent coin graded?
Professional grading by ICCS, PCGS, or NGC makes economic sense primarily for coins that appear to be MS65 or higher in condition, PL coins with pronounced Heavy Cameo contrast, or specimens with a confirmed Doubled 0 in Date variety. At lower grades, the cost of third-party certification typically exceeds the coin's numismatic value, making it uneconomical. Within the Canadian domestic market, ICCS is the preferred service: its strict, conservative grading philosophy means an ICCS MS65 is accepted without question by Canadian dealers. American services (PCGS, NGC) use market-grading philosophies that may grade slightly more liberally, potentially creating a half-point to full-point discrepancy compared to ICCS grades.
What is the difference between a Business Strike and a Proof-Like (PL) 1970 50-cent coin?
Business Strikes were produced at high speed for commercial circulation and ejected into canvas bags — they display uniform frosty "cartwheel" luster across both fields and devices and almost always carry bag marks. Proof-Like coins were struck on polished planchets using specially prepared dies and sealed directly into collector pliofilm sets — they have deeply mirrored fields that reflect like glass, with the possibility of frosted (cameo) devices. The two finishes are graded and priced on entirely separate scales. ICCS explicitly identifies each coin as CLT (Business Strike) or NCLT (PL) on its certification holder to prevent the two from being confused.
What is the "Doubled 0 in Date" variety and how do I find it?
The Doubled 0 in Date is a Charlton Standard Catalogue-recognized die variety where the digit "0" in the 1970 reverse date shows a distinct secondary impression — a shelf, doubling, or re-punching along the inner or outer curvature of the numeral. It was caused by a slight rotation or shift during the working die's hubbing. To check: use a 10x–20x numismatic loupe under strong direct light and focus on the "0" in 1970 on the reverse. A genuine variety shows naturally raised secondary metal. If the mark is incised or jagged, it is post-mint damage. Confirmed examples command 200–300% over standard values at MS63–MS65.
What is a Heavy Cameo PL and why is it worth significantly more?
Heavy Cameo (HC) or Ultra Heavy Cameo (UHC) refers to thick, opaque, snow-white frosting on the raised devices — the Queen's portrait and the Coat of Arms — contrasting sharply against deeply mirrored near-black background fields. This dramatic contrast is produced only by the very earliest strikes from freshly polished PL dies, before the frosting rapidly erodes with continued striking pressure. Because only a fraction of the 349,120 PL set coins were struck at that optimal early-die moment, Heavy Cameo examples are significantly scarcer than standard brilliant PL coins and command substantial premiums: a $22.00 PL65 Heavy Cameo versus a $4.00 standard PL65, for example.
Why is ICCS grading preferred for 1970 Canadian half dollars within Canada?
The International Coin Certification Service (ICCS) is the primary Canadian numismatic grading authority and is widely regarded as the strictest of the major North American services. ICCS explicitly labels certification holders as CLT or NCLT — a critical distinction for Canadian coins where Business Strikes and PL coins must be kept separate for accurate valuation. Canadian dealers and auction houses trust ICCS grades implicitly. While PCGS and NGC offer broader global marketplace recognition and auction liquidity, their market-grading approach may result in grades that Canadian collectors perceive as one half-point to a full point more generous than ICCS, potentially affecting domestic resale prices.
Can I melt a 1970 Canadian 50-cent coin for its nickel content?
No — and for two reasons. First, the Currency Act of Canada prohibits the melting, breaking, or deforming of Canadian coin. Second, the intrinsic nickel value of an 8.10-gram planchet amounts to mere fractions of a dollar at current commodity prices — far below the coin's face value of $0.50, let alone its numismatic value. There is no financial incentive whatsoever to consider the metal content of a 1970 Canadian 50-cent piece.
Methodology & Sources
Values in this guide represent typical market prices in Canadian dollars for problem-free, uncleaned examples, as of February 2026. Prices were compiled and cross-referenced from the following primary sources:
- Charlton Standard Catalogue of Canadian Coins (current editions) — authoritative variety recognition (Doubled 0 in Date), mintage figures, and baseline pricing distinctions between CLT and NCLT strikes.
- Coins and Canada (coinsandcanada.com) — aggregated grade-by-grade pricing and compositional specification verification (accessed February 2026).
- Royal Canadian Mint (mint.ca) — official metallurgical transition dates, weight parameters (8.10 g), and Ottawa facility production history.
- NewCan Coins & Currency — ICCS trends and retail data for MS65/MS66 conditional rarities, variety premiums, and Heavy Cameo PL pricing (2024–2025).
- Calgary Coin & Antique — Canadian grading nuances, PL-to-SP transition context, and pure-nickel condition sensitivity documentation (2024).
- NGC Canada 50 Cents KM 75.1 Price Guide — global auction comparisons and KM catalog continuity (KM# 75.1) verification.
- PCGS ValueView — 1970 50C — international market comparisons and top-population rarity at the MS67 tier.
- London Coin Centre — Canada 50 Cents 1970–1979 — retail pricing verification (February 2026).
- Numista — 50 Cents Elizabeth II (2nd Portrait, Nickel) — specification cross-reference and collector registry context.
Disclaimer: Coin markets fluctuate with collector demand, auction results, and broader economic conditions. Values listed are for informational purposes only and do not constitute an offer to buy or sell. For current retail pricing, consult an ICCS-, PCGS-, or NGC-certified dealer or a current edition of the Charlton Standard Catalogue.
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.