Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Vespasian Judaea Capta Sestertius
A large bronze coin of Emperor Vespasian commemorating Rome's suppression of the Jewish Revolt, showing a mourning captive beneath a palm tree with the legend IVDAEA CAPTA.
Ancient
Ostrogothic Silver Quarter Siliqua
Small silver coin struck by the Ostrogothic kings of Italy in the name of the reigning Byzantine emperor, bearing the Gothic king's monogram on the reverse.
European
Poseidonia (Paestum) Poseidon Stater
An early Magna Graecia silver stater from Poseidonia showing the sea god Poseidon striding forward with a raised trident, named for and emblematic of the city itself.
Ancient
Umayyad Silver Dirham
A silver coin of the Umayyad Caliphate struck after Caliph Abd al-Malik's monetary reform, bearing only Arabic inscriptions and setting the template for centuries of Islamic coinage.
World
1972 Eisenhower Dollar (Type 2)
A scarce reverse variety of the 1972 Eisenhower dollar, distinguished by a more detailed, higher-relief rendering of the Earth behind the moon-landing eagle, and prized by variety collectors.
Errors & Varieties
1988 Seoul Olympics Coins
South Korea issued a multi-metal coin program for the 1988 Seoul Summer Olympics, ranging from circulating cupronickel coins to gold and silver collector pieces featuring mascots and sporting themes.
Commemorative
2008 Beijing Olympics Commemorative Coins
China issued a large multi-year coin program ahead of the 2008 Beijing Olympics, spanning circulating 1 Yuan pieces and extensive gold and silver proof series depicting Olympic sports and Beijing landmarks.
Commemorative
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
1864 Two-Cent Piece
The debut year of the two-cent piece, the first US coin to bear the motto In God We Trust, issued in Small Motto and Large Motto varieties.
United States
Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
United States
1937 Doubled Die Obverse Buffalo Nickel
A doubled die variety of the 1937 Buffalo nickel showing visible doubling in the obverse date and lettering, collected alongside other notable varieties from the final years of the Buffalo nickel series.
Errors & Varieties
Jefferson Nickel
Struck since 1938, the Jefferson Nickel pairs a portrait of Thomas Jefferson with his home, Monticello, and briefly switched to a silver alloy during World War II.
United States
Visigothic Gold Tremissis
Small gold coin of the Visigothic kings of Spain, evolving from crude imitations of Roman/Byzantine coinage into the first distinctly national royal coinage of post-Roman Western Europe.
European
Venetian Gold Ducat
First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.
European
Guptas 'Horseman' Silver Coin
Silver coin of the Gupta Empire showing the king on horseback, struck after Gupta conquest of western India in imitation of earlier Western Kshatrapa silver coinage.
Ancient
Florentine Florin
Introduced in 1252, the gold florin of Florence became medieval Europe's leading trade coin, its lily emblem and fixed gold standard copied by dozens of other mints.
European
Augustus Aureus Gaius and Lucius Caesar
One of the most common ancient gold coins, an Augustus aureus honoring his grandsons and intended heirs Gaius and Lucius Caesar, both of whom died young.
Ancient
Sun Yat-sen Junk Dollar
A Republic of China silver dollar depicting Sun Yat-sen and a traditional sailing junk, with the scarcer 1934 variety showing three birds overhead that is highly sought by collectors.
Asian
Danish 2 Rigsdaler
A large silver crown of the Kingdom of Denmark, double the standard rigsdaler denomination, often struck to commemorate specific royal events before Denmark adopted the krone in 1873.
European
Joachimsthaler
Struck beginning in 1520 in the Bohemian silver-mining town of Joachimsthal, this large silver coin gave its name, shortened to 'thaler' and later 'dollar,' to countless currencies around the world.
European
South African Sixpence (Union)
Small silver sixpence of the Union of South Africa, known for its protea flower reverse, circulated from the 1920s through the transition to decimal currency.
Africa & Oceania
Tunisian Franc (Beylik Era)
French-franc-aligned coinage struck in the name of the Tunisian Bey during the era of French protectorate influence, blending Arabic and French inscriptions.
Africa & Oceania
French Louis d'Or
The Louis d'Or was the principal gold coin of the French monarchy for over 150 years, named after the kings Louis who issued it, and struck until the eve of the Revolution.
European
Venetian Ducat
Gold coin first struck by the Republic of Venice in 1284, prized for its remarkably consistent weight and purity, which made it a dominant trade coin across medieval and Renaissance Europe.
European