Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Solidus of Valentinian I
The gold solidus of Valentinian I (AD 364-375), a pure-gold coin bearing his pearl-diademed profile that anchored the late Roman monetary system.
AncientJoachimsthaler (Thaler)
A large early-16th-century Bohemian silver thaler from Joachimsthal, dated 1525; the coin whose name gave rise to the words 'thaler' and 'dollar'.
Early ModernMedieval Penny
England's standard medieval coin: a small hammered silver penny with a crowned royal head on one side and a cross on the other, struck by hand across many reigns.
Medieval CoinsCambodia One Franc
A mid-20th-century one-franc coin of the Kingdom of Cambodia, its obverse bearing a royal Norodom profile and its reverse a heraldic coat of arms.
Southeast AsiaSusan B. Anthony Dollar
U.S. small-size copper-nickel clad dollar coin (1979–1981, 1999) featuring suffragist Susan B. Anthony and an eagle landing on the moon.
DollarFlowing Hair Stella
An 1879 U.S. $4 gold pattern coin with a flowing-hair Liberty obverse and a large-star "ONE STELLA" reverse; famous rarity, never circulated.
StellaCharles I Unite
A large hammered gold coin of Charles I worth twenty shillings, showing his crowned profile and a crowned quartered shield of lions and fleur-de-lis.
HammeredAbbasid Silver Dirham
A thin, broad Islamic silver coin of the Abbasid Caliphate, covered edge to edge with concentric Kufic Arabic inscriptions and dated AH 132 (AD 749–750).
IslamicJunk Dollar
China's Republic-era silver dollar with Sun Yat-sen facing left and a Chinese junk under sail on the reverse; the pictured coin is Year 23 (1934).
Circulation100 Won
South Korea's everyday nickel 100 won coin, showing Admiral Yi Sun-sin in his winged helmet on the obverse and a large numeral 100 on the reverse.
CirculationAntoninianus
Roman imperial coin of the crisis era, marked by a radiate (spiked) crown on the emperor's head; struck in debased silver-and-copper billon, c. 250-270 AD.
Ancient CoinsMaundy Three Pence
A tiny sterling-silver threepence tied to Britain's Royal Maundy tradition; the photographed 1687 coin shows James II's bust and a crowned Roman numeral III.
MaundyBritish Third Farthing
A tiny 1844 Victoria copper coin: young left-facing queen's bust obverse, crowned value reverse. One of Britain's smallest denominations, struck for Malta.
CirculationAureus of Augustus
Roman imperial gold coin bearing the bare head of Augustus, first emperor of Rome, struck during his reign from 27 BC to 14 AD.
Ancient CoinsAnglo-Saxon Styca
A tiny base-metal coin of the Anglo-Saxon kingdom of Northumbria, struck in the 8th-9th century with a head and inscription on one side and a cross on the other.
Medieval CoinsSesquicentennial of American Independence Quarter Eagle
A 1926 U.S. commemorative $2.50 gold coin marking 150 years of American independence, with Liberty holding a torch and scroll and Independence Hall on the reverse.
Classic CommemorativeBooker T. Washington Memorial Half Dollar
A U.S. silver commemorative half dollar (1946–1951) honoring educator Booker T. Washington, the first African American portrayed on a U.S. coin.
Classic CommemorativeGold Dinar of Alp Arslan
A hand-struck Islamic gold coin of the Great Seljuk sultan Alp Arslan, covered in concentric Arabic inscriptions naming the ruler and caliph, AH 455–465.
IslamicWu Zhu Cash
A round Han-dynasty bronze cash coin with a central square hole and two seal-script characters, Wu Zhu, naming its weight of five zhu.
Cash CoinQian Feng Quan Bao
A round bronze Tang cash coin with a square center hole, cast under Emperor Gaozong in the short-lived Qianfeng era and worth ten ordinary cash.
Cash CoinNew Zealand Halfpenny
New Zealand's small bronze halfpenny, struck from 1940, with a royal portrait obverse and a Maori hei-tiki reverse. The coin shown is a 1940 George VI issue.
New ZealandGold Dinar of Baybars I
A hand-struck gold coin of the Mamluk sultan Baybars I, covered on both faces with Arabic calligraphy naming the ruler and struck in Egypt between 1260 and 1277 CE.
IslamicThailand One Baht
A silver one-baht coin of Siam struck under King Rama VI, its obverse bearing the young king's uniformed profile within Thai royal inscriptions.
Southeast AsiaGerman 20 Mark Gold
German Empire gold 20 mark of Prussia, with Kaiser Wilhelm I's bust and the imperial eagle; a small .900 gold coin from the pre-WWI Goldmark era.
Bullion/gold