Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Aureus 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 CoinsSaint-Gaudens Double Eagle
United States $20 gold coin (1907–1933) designed by Augustus Saint-Gaudens, showing a striding Liberty with torch and olive branch before a radiant sun.
Gold Type CoinSesquicentennial 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 CommemorativeLiberty Head Eagle
A United States $10 gold coin struck 1838-1907, with Christian Gobrecht's coronet-crowned Liberty head and a shielded eagle. The example shown is dated 1839.
EagleBooker 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.
IslamicLiberty Head Quarter Eagle
U.S. $2.50 gold coin struck 1840–1907, with a coronet-crowned Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter EagleThailand 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/goldTurban Head Quarter Eagle
First U.S. $2.50 gold coin (1796), designed by Robert Scot; Liberty in a soft cap facing right with a heraldic eagle reverse. Extremely rare.
United StatesLiberty Head Double Eagle
U.S. $20 gold coin struck 1850–1907, showing a coroneted Liberty head left and a heraldic eagle with shield; the 1869 is a with-motto Type 2.
Double EagleClassic Head Quarter Eagle
U.S. $2.50 gold coin struck 1834–1839, with a band-bound Liberty head obverse and a shield-breasted eagle reverse marked "2½ D."
Quarter EagleCopper Fals of Muzaffar Hajji
A worn medieval Islamic copper fals bearing Arabic calligraphy and the name of the ruler al-Muzaffar Hajji, an aniconic base-metal coin used as everyday small change.
Islamic (Medieval)Three-Dollar Gold Piece
An unusual U.S. gold coin of the $3 denomination struck 1854–1889, showing a Liberty head in a feathered Indian-style headdress. The photo shows the 1854 first year.
Gold Type CoinTibetan Tangka
A silver tangka, the standard coin of old Tibet, its faces filled with Tibetan script and Buddhist ornamental motifs, struck from the late 18th into the 19th century.
HimalayanTwo Guineas of George II
A large milled gold two-guinea piece of George II, with his left-facing laureate head and a crowned garnished shield of the royal arms; the pictured coin is dated 1738.
MilledCapped Bust Eagle
The first United States gold ten-dollar coin, struck 1795–1804 with a capped Liberty bust and, in later years, a heraldic eagle bearing a shield and E PLURIBUS UNUM.
United StatesIndian Paisa
A hand-struck copper paisa from early 19th-century India, its legends worn smooth by age and circulation. A humble base-metal coin of everyday commerce.
Princely & Presidency StatesPennsylvania State Quarter
1999 U.S. 25-cent piece, second in the 50 State Quarters series, showing the Commonwealth statue, state outline, and a keystone for Pennsylvania.
Quarter