Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Jackie Robinson Silver Dollar
A 1997 U.S. silver dollar honoring Jackie Robinson and the 50th anniversary of his breaking baseball's color barrier, with an action portrait and eagle reverse.
Modern Commemorative
Denarius of Cassius Longinus
Silver denarius struck in 42 BC by Gaius Cassius Longinus, one of Caesar's assassins, to pay his legions before the Battle of Philippi.
Ancient
Denarius of Severus Alexander
Silver denarius of the emperor Severus Alexander (AD 222–235), with his laureate portrait and a Mars reverse dated to about AD 229.
Ancient
Mercury Dime Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Mercury dime, struck in 1/10 oz of 24-karat gold at West Point.
Dime
Germany 2 Euro Fall of the Berlin Wall Commemorative
A 2019 German bi-metallic 2 euro marking 30 years since the fall of the Berlin Wall, with a ring of twelve European Union stars.
Commemorative
Aureus of Nero
Roman imperial gold aureus of Emperor Nero (54-68 AD), showing his curly-haired portrait facing right with a Latin imperial legend.
Ancient Coins
20 Kronor
Gold 20 kronor of Sweden showing the crowned national arms with three coronets, reverse marked 20 KR and dated 1925.
World
Antoninianus of Gordian III
Silver double-denarius of the young emperor Gordian III (238-244 AD), marked by his radiate crown and a standing deity on the reverse.
Ancient
Isle of Man Crown
A 1976 Isle of Man cupronickel crown marking the centenary of the Douglas horse trams, showing a horse-drawn tram beneath an archway on the reverse.
Commemorative
Walking Liberty Half Dollar Centennial Gold
A 2016-W gold collector coin marking the centennial of the 1916 Walking Liberty half dollar, struck in 1/2 oz of 24-karat gold at West Point.
Half Dollar
Macao Silver Coin (1974)
A 1974 Macau silver coin marking the Macau-Taipa Bridge: a spanning bridge with a Chinese junk below, ringed by REPUBLICA PORTUGUESA and PONTE MACAU-TAIPA.
Circulation
George IV One Sixteenth Spanish Dollar
A small George IV silver coin of the "Anchor Money" series, worth one-sixteenth of a Spanish dollar and marked with an anchor and Roman numeral XVI.
Colonial
U.S. Constitution Bicentennial Silver Dollar
A 1987 U.S. Mint 90% silver commemorative dollar marking the 200th anniversary of the Constitution, with a quill-pen obverse.
Modern Commemorative
Pilgrim Tercentenary Half Dollar
A 1920-1921 U.S. silver commemorative half dollar marking 300 years since the Pilgrims' landing, with a Pilgrim figure and the Mayflower.
Classic Commemorative
Iowa Centennial Half Dollar
A 1946 U.S. silver half dollar marking a century of Iowa statehood, showing the Old Stone Capitol at Iowa City and the state eagle with the Iowa motto.
Classic Commemorative
Classic 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 Eagle
Seated Liberty Dime with Arrows
A silver Seated Liberty dime with small arrows flanking the date, marking the 1853 weight reduction; struck 1853–1855, with the pictured coin dated 1853.
Dime
Macao 100 Patacas Return to China Commemorative
A 1999 Macao 100 patacas commemorative marking the return to China: a Portuguese ship with a gold center on one side, the Macao coat of arms on the other.
Commemorative
Gold Dinar of al-Hafiz li-Din Allah
A hand-struck Fatimid gold dinar of the caliph al-Hafiz li-Din Allah, carrying only Arabic calligraphy in concentric ring borders and dated AH 544.
Islamic (Medieval)
Pennsylvania 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
Antoninianus of Gallienus
Billon double-denarius of the emperor Gallienus, marked by a radiate crown; this piece shows a radiate male head and a standing deity on the reverse.
Ancient Coins
Liberty 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 Eagle
Hawaiian Sesquicentennial Half Dollar
A scarce 1928 U.S. silver commemorative half dollar marking 150 years since Captain James Cook's arrival in the Hawaiian Islands.
Classic Commemorative
Connecticut Tercentennial Half Dollar
A 1935 U.S. silver half dollar marking 300 years of Connecticut, with a standing eagle on the obverse and the storied Charter Oak on the reverse.
Classic Commemorative