CoinsIdentification
Coin identification library

Coin Identification Guides

Guide section

Identification basics

Start here when you have an unknown coin or want a better photo and a more reliable first result.

3 articles
How to Identify a Coin by Photo How to Identify a Coin by Photo Follow a practical process from a clear photo to visible clues, a possible match, and a careful catalog check. Read the practical guide → How to Photograph Coins How to Photograph Coins Learn how light, focus, background, angle, and both sides of the coin affect identification. Read the practical guide → Foreign Coin Identification Foreign Coin Identification Read visible text, portraits, coats of arms, dates, and denominations on unfamiliar coins. Read the practical guide →
Guide section

Coin types

Use a focused guide for the writing system, portraits, symbols, and historical clues on your coin.

19 articles
US Coin Identifier US Coin Identifier Identify American coins by denomination, design, date, mint mark, edge, measurements, composition, and condition. Read the practical guide → US Penny Catalog US Penny Catalog Browse detailed Lincoln cent pages by year, reverse design, mint mark, metal, weight, condition, and important warning signs. Read the practical guide → Euro Coin Identifier Euro Coin Identifier Identify euro coins by denomination, common and national sides, country, year, edge, measurements, and commemorative design. Read the practical guide → British Coin Identifier British Coin Identifier Identify UK coins by denomination, monarch portrait, reverse design, year, shape, edge, measurements, and commemorative issue. Read the practical guide → Canadian Coin Identifier Canadian Coin Identifier Identify Canadian coins by denomination, monarch portrait, reverse animal, year, shape, edge, measurements, and commemorative issue. Read the practical guide → Australian Coin Identifier Australian Coin Identifier Identify Australian coins by denomination, native animal, monarch portrait, year, shape, edge, measurements, and commemorative issue. Read the practical guide → Japanese Coin Identifier Japanese Coin Identifier Identify Japanese coins by denomination characters, holes, era year, familiar motifs, measurements, and commemorative design. Read the practical guide → Korean Coin Identifier Korean Coin Identifier Identify South Korean won coins by Hangul, national motifs, year, denomination, edge, measurements, and commemorative design. Read the practical guide → Spanish Coin Identifier Spanish Coin Identifier Identify Spanish euro and peseta coins by currency family, national design, date, denomination, edge, and condition. Read the practical guide → French Coin Identifier French Coin Identifier Identify French euro and franc coins by currency family, national symbols, date, denomination, edge, and condition. Read the practical guide → German Coin Identifier German Coin Identifier Identify German euro and mark coins by national designs, mint letters, dates, denomination, edge, and condition. Read the practical guide → Old Coin Identifier Old Coin Identifier Identify old coins by date, portrait, inscriptions, mint marks, measurements, surface, authenticity, and condition. Read the practical guide → Hammered Coin Identification Hammered Coin Identification Identify hand-struck coins by flan shape, portraits, legends, mint marks, edges, strike, authenticity, and condition. Read the practical guide → Ancient Coin Identifier Ancient Coin Identifier Check the evidence that matters when a coin is old, worn, historically styled, or possibly a reproduction. Read the practical guide → Roman Coin Identification Roman Coin Identification Use portraits, Latin legends, reverse symbols, mint marks, metal, size, and weight to research Roman coins. Read the practical guide → Greek Coin Identification Greek Coin Identification Compare Greek lettering, symbols, portraits, city marks, and historical types with focused examples. Read the practical guide → Chinese Coin Identification Chinese Coin Identification Use shape, script, metal, inscriptions, and period clues to narrow down Chinese coin types. Read the practical guide → Arabic Coin Identification Arabic Coin Identification Understand how Arabic inscriptions, dates, calligraphy, and symbols help identify a coin. Read the practical guide → Common US Coins and Their Values Common US Coins and Their Values Check denomination, date, mint mark, silver content, condition, and common US varieties. Read the practical guide →
Guide section

Value & condition

Learn what affects a price range and how to compare condition with real market evidence.

5 articles
How to Estimate Coin Value How to Estimate Coin Value Understand condition, rarity, mint marks, metal, demand, and why completed sales matter. Read the practical guide → Coin Value Methodology Coin Value Methodology See how an estimated range should be interpreted and which evidence can narrow it. Read the practical guide → Rare Coin Identifier Rare Coin Identifier Check dates, mint marks, varieties, condition, and demand before calling a coin rare. Read the practical guide → Silver Coin Identification Silver Coin Identification Research possible silver coins using visible details, weight, diameter, and date ranges. Read the practical guide → Gold Coin Identification Gold Coin Identification Review gold coin clues and learn why metal testing and authentication matter before selling. Read the practical guide →
Guide section

Errors & authenticity

Check whether an unusual mark could be a mint error, post-mint damage, or a coin that needs expert review.

1 articles
Rare Coin Errors Beginners Should Know Rare Coin Errors Beginners Should Know Separate genuine mint errors from damage, wear, cleaning, and ordinary circulation marks. Read the practical guide →