Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Connecticut Copper
State-authorized copper coinage struck for Connecticut in the mid-1780s, featuring a bust obverse and seated Liberty reverse across numerous die varieties.
United States
Vatican Euro Coins
Official euro coinage of the world's smallest sovereign state, struck in very limited quantities and highly sought after by euro coin collectors worldwide.
European
German Empire 20 Mark Gold (Wilhelm II)
The standard gold coin of the German Empire under Kaiser Wilhelm II, struck at multiple state mints and widely collected for its imperial portrait and eagle reverse.
European
Julius Caesar Portrait Denarius
A landmark Roman coin struck in 44 BC bearing the portrait of Julius Caesar during his lifetime, the first time a living Roman had appeared on state coinage.
Ancient
Chinese Knife Money (Ming Dao)
An ancient Chinese bronze currency cast in the shape of a knife, bearing a character often read as "Ming" on its blade, used mainly by the northern state of Yan before round coinage prevailed.
Asian
Nova Eborac Copper
A 1787-dated copper bearing the Latin name for New York, struck privately after the state failed to authorize its own copper coinage contract during the chaotic Confederation-era coin shortage.
United States
1913 Barber Half Dollar
A recognized key date of the Barber half dollar series, with a Philadelphia mintage far lower than most other years, making it prized by series collectors.
United States
1914-D Lincoln Cent
A famous key date in the Lincoln wheat cent series, prized for its low mintage from the Denver Mint and ranked among the most important dates collectors need to complete the series.
United States
Barber Dime
A late-19th and early-20th century silver dime designed by Charles E. Barber, featuring a classical Liberty head, part of a matching set with the Barber quarter and half dollar.
United States
Presidential Dollar - Thomas Jefferson
The third coin in the Presidential Dollar series, honoring Thomas Jefferson, sharing the same edge-lettering format and Statue of Liberty reverse as the earliest issues in the program.
United States
Amphipolis Apollo Tetradrachm
Silver tetradrachm of Amphipolis in Macedon, famous for its masterfully engraved three-quarter facing head of Apollo, widely regarded as a high point of Greek coin art.
Ancient
Two Pound Coin
The UK's bimetallic £2 coin, standardized for circulation in the late 1990s, widely used for a rotating series of commemorative reverse designs.
British
1901-S Barber Dime
A scarce San Francisco Mint Barber dime with a notably low mintage, ranked among the tougher dates for collectors of the series.
United States
1877 Indian Head Cent
The premier key date of the Indian Head cent series, struck in unusually low numbers during a mid-1870s economic downturn.
United States
1846 Seated Liberty Dime
A famously low-mintage Seated Liberty dime, considered one of the key dates of the entire series and scarce in any collectible grade.
United States
1878 Shield Nickel (Proof Only)
Another proof-only rarity in the Shield Nickel series, struck exclusively for collectors with no business-strike coinage issued for circulation that year.
United States
1895-O Barber Dime
The key date of the Barber dime series, struck in unusually small numbers at the New Orleans Mint and scarce in every grade of preservation.
United States
1921 Walking Liberty Half Dollar
The three 1921 mintmark varieties are the acknowledged key dates of the Walking Liberty half dollar series, each struck in unusually small numbers.
United States
1949-S Franklin Half Dollar
A relatively low-mintage San Francisco Franklin half often cited among the tougher dates of the series, especially with a full, sharp strike.
United States
Gold Britannia
The United Kingdom's premier gold bullion coin series, launched in 1987, featuring Britannia on the reverse and available in one-ounce and fractional weights.
Bullion
1909-S Indian Head Cent
The final and lowest-mintage Indian Head cent, struck at the San Francisco Mint in the series' last year before the Lincoln cent debuted.
United States
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
1895 Morgan Dollar (King of Morgans)
A legendary Morgan Dollar key date struck only in proof format at Philadelphia, nicknamed the 'King of Morgans' for its extreme rarity within the series.
United States
1938-D Buffalo Nickel
The final year of the Buffalo Nickel series, the 1938-D was widely saved by the public at the time and remains a popular, affordable last-year issue for collectors.
United States