Coin Error & Variety Guide
Learn about the different types of U.S. coin errors and varieties. Each guide explains how the error occurs during the minting process, how to identify it, and what collectors look for when evaluating specimens.
Looking for a coin series rather than an error? Jump to Coin Series
Doubled Die Family
6 error types
Errors caused by misalignment during the die hubbing process, creating doubled design elements on the coin.
Die Damage Family
22 error types
Defects resulting from physical damage to the die, including cracks, breaks, chips, and cuds.
Die Clash Family
9 error types
Errors occurring when obverse and reverse dies strike each other without a planchet between them.
Hub/Punch Errors
10 error types
Varieties created during the hubbing or punching stages, such as repunched dates, mint marks, and overdates.
Planchet Errors
9 error types
Defects in the blank coin planchet before striking, including clips, laminations, and wrong metal errors.
Strike Errors
8 error types
Errors occurring during the actual striking process, from off-center strikes to multi-strikes and strike-throughs.
Collar Errors
5 error types
Errors caused by the collar die that forms the edge of the coin — failing to rise, breaking, clashing, or not being there at all.
Other
10 error types
Miscellaneous varieties and error types including trail dies, transitional designs, and VAM varieties.
Coin Series
Every U.S. coin series in the catalog, grouped by type. Series marked Guide have a full write-up on their page: history, how to identify it, key dates and varieties, a mintage table and metal content.
Collector questions: Is My Coin Silver? A Year-by-Year Guide to US Silver Coins
Centennial Programs
Half Cents
Large Cents
- Flowing Hair Chain Cents 1793Guide
- Flowing Hair Wreath Cents 1793Guide
- Liberty Cap Cents 1793-1796Guide
- Draped Bust Cents 1796-1807Guide
- Classic Head Cents 1808-1814Guide
- Matron Head Coronet Head Cents 1816-1835Guide
- Modified Matron Head Coronet Head Cents 1835-1839Guide
- Braided Hair Coronet Head Cents 1839-1857Guide
Small Cents
Two Cent Pieces
Three Cents
Nickels
Half Dimes
Dimes
Twenty Cents
Quarters
- Draped Bust Quarters 1796-1807Guide
- Capped Bust Quarters 1815-1838Guide
- Seated Liberty Quarters 1838-1891Guide
- Barber Quarters 1892-1916Guide
- Standing Liberty Quarters 1916-1930Guide
- Washington Silver Quarters 1932-1964Guide
- Washington Clad and Silver Proof Quarters 1965-1998Guide
- State Quarters 1999-2008Guide
- DC & US Territories Quarters 2009Guide
- America the Beautiful Quarters 2010-2021Guide
- American Women Quarters (2022 - 2025)Guide
Half Dollars
- Flowing Hair Half Dollars 1794-1795Guide
- Draped Bust Half Dollars 1796-1807Guide
- Capped Bust Half Dollars 1807-1839Guide
- Seated Liberty Half Dollars 1839-1891Guide
- Barber Half Dollars 1892-1915Guide
- Walking Liberty Half Dollars 1916-1947Guide
- Franklin Half Dollars 1948-1963Guide
- Kennedy Half Dollars Silver (1964)Guide
- Kennedy Half Dollars Silver Clad 1965-1970Guide
- Kennedy Half Dollars Clad and Silver Proof 1971 to DateGuide
- Kennedy Half Dollars 50th Anniversary 2014Guide
Dollars
- Flowing Hair Dollars 1794-1795Guide
- Draped Bust Dollars 1795-1804Guide
- Gobrecht Dollars (1836-1839)Guide
- Seated Liberty Dollars 1840-1873Guide
- Trade Dollars 1873-1885Guide
- Morgan Dollars 1878-1921Guide
- 1921 Silver Dollar Anniversary Coins (2021 to Date)Guide
- Peace Dollars 1921-1935Guide
- Eisenhower Dollars 1971-1978Guide
- Susan B. Anthony Dollars 1979-1999Guide
- Sacagawea & Native American Dollars 2000 to DateGuide
- Presidential Dollars 2007 to DateGuide
- American Innovation Dollars 2018 to DateGuide
Gold Dollars
Gold Quarter Eagles
Gold Three Dollar Pieces and Four Dollar Stella
Gold Half Eagles
Gold Eagles
Gold Double Eagles
Classic Commemoratives
Modern Clad & Silver Commemoratives
Silver Bullion
Gold Bullion
- American Eagle Fifty Dollar Gold 1986 to DateGuide
- American Eagle Five Dollar Gold 1986 to DateGuide
- American Eagle Ten Dollar Gold 1986 to DateGuide
- American Eagle Twenty Five Dollar Gold 1986 to DateGuide
- American Buffalo Gold 2006 to DateGuide
- First Spouse Gold 2007 to DateGuide
- Ultra High Relief Twenty Dollar Gold 2009Guide
- American Liberty Gold 2015 to DateGuide
- 400th Mayflower Anniversary Ten Dollar Gold 2020Guide
- 75th World War II Anniversary Twenty Five Dollar Gold 2020Guide
- Flowing Hair 230th Anniversary Gold (2024)Guide
- Liberty and Britannia Gold (2024-Date)Guide
Platinum & Palladium Bullion
Colonials
- Massachusetts Silver Coins (1652-1662)Guide
- French Colonies (1670-1767)Guide
- Post-1776 Private and Regional Issues (1778-1820)Guide
- Post-1776 States Coinage (1776-1788)Guide
- Pre-1776 Private and Regional Issues (1616-1766)Guide
- Pre-1776 States Coinage (1652-1774)Guide
- Proposed National Issues (1776-1787)Guide
- Washington Pieces (1783-1800)Guide
- Colonial Restrikes and FantasiesGuide
Patterns
- Die Trials, Hub Trials, and Splashers 1792-1982Guide
- Early Republic Patterns (1792-1859)Guide
- Privately-issued Patterns 1792-1938Guide
- Civil War Patterns (1860-1865)Guide
- Reconstruction Era Patterns (1866-1869)Guide
- Standard Silver Patterns (1870)Guide
- Trade Dollar Era Patterns (1871-1873)Guide
- Metric & Stella Patterns (1874-1879)Guide
- Design Reform Patterns (1880-1942)Guide
- Modern Patterns (1943 to Date)Guide
Territorial
- Templeton Reid (Georgia) Gold (1830-1849)Guide
- Bechtler (North Carolina/Georgia) Gold (1831-1850)Guide
- Hawaiian Coinage (1847-2018)Guide
- California Gold (1849-1855)Guide
- Mormon Gold (Utah) (1849-1860)Guide
- Oregon Gold (1849)Guide
- California Fractional Gold (1852-1882)Guide
- Colorado Gold (1860-1861)Guide
- Confederate States of America (1861-1863)Guide
- Lesher (Colorado) Dollars (1900-1901)Guide
- Alaska Rural Rehabilitation Corp. (1935)Guide
Medals
So-Called Dollars
Tokens
Philippines
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