Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Antoninianus of Valerian II
Roman radiate coin of Valerian II, the young Caesar (c. 253-260 AD), showing his spiked crown and a standing figure on the reverse.
Ancient
Roman Republic Semuncia
Smallest Roman Republican bronze denomination, worth half an uncia, struck around 217-215 BC with a Mercury head and a galley prow.
Ancient
Sovereign of William IV
A 22-carat gold sovereign of William IV, with the king's bare head facing right and a crowned royal shield of arms on the reverse.
Milled
Turban Head Half Eagle
First U.S. gold $5 coin, 1795: Liberty in a soft cap facing right, with a heraldic shield-breasted eagle reverse struck in 22-karat gold.
Half Eagle
Bicentennial Quarter
U.S. 25-cent coin issued for the 1976 Bicentennial, pairing Washington's portrait with a Colonial drummer and the dual date 1776-1976.
Quarter
China Panda Gold Coin
A modern Chinese gold bullion coin with the Temple of Heaven on one side and a giant panda on the other; this 2016 issue is a 30-gram gold piece.
Bullion
Tetradrachm of Ptolemy IV
Silver tetradrachm of Ptolemy IV Philopator, 221-204 BC, with the jugate busts of Sarapis and Isis on the obverse and an eagle on a thunderbolt on the reverse.
Ancient
Syracuse Bronze Coin of Hiero II
Ancient Greek bronze of Syracuse struck under King Hieron II, c. 275-215 BC, bearing a Hellenistic profile head; a very common Sicilian city bronze.
Ancient
Follis of Maximian
A large silvered-bronze follis of the emperor Maximian, introduced with Diocletian's coin reform of the Tetrarchy around AD 294.
Ancient
Denarius of Julia Domna
Roman silver denarius of the empress Julia Domna (193-217 CE), with her draped bust and a standing goddess or personification on the reverse.
Ancient
Lysimachos Tetradrachm
Silver tetradrachm of Lysimachos of Thrace, c. 297-282 BC, showing the deified head of Alexander the Great and Athena seated with a shield and spear.
Ancient
Antoninianus of Carus
Late-Roman bronze radiate of the emperor Carus (282-283 AD), showing his bearded, spiky-crowned head and a standing personification on the reverse.
Ancient
Antoninianus of Caracalla
The antoninianus introduced by Caracalla around AD 215, a radiate-crowned double denarius in debased silver that reshaped Roman coinage.
Ancient
Swedish Gold Commemorative
An early-20th-century Swedish gold coin showing a right-facing royal profile with the legend SVERIGES KONUNG and the fatherland motto.
Commemorative
Sestertius of Alexander Severus
Large Roman bronze sestertius of emperor Alexander Severus (222-235 AD), showing his youthful head and a standing figure of Providentia.
Ancient Coins
Antoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
Ancient
American Gold Eagle
The United States' official gold bullion coin since 1986, struck in 22-karat gold in four sizes with a Saint-Gaudens striding Liberty obverse.
Bullion
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
Lincoln Shield Cent
The current U.S. one-cent coin, struck since 2010, pairing Lincoln's profile with a Union Shield reverse on a copper-plated zinc planchet.
Small Cent
U.S. Capitol Bicentennial Silver Dollar
A 1994 U.S. Mint silver commemorative dollar honoring 200 years of the United States Capitol, featuring the Capitol dome and a heraldic eagle.
Modern Commemorative
Antiochos Hierax Tetradrachm
Silver tetradrachm of the Seleucid prince Antiochos Hierax, c. 242-227 BC, with a diademed royal head and a reverse figure bearing shield and spear.
Ancient
Lincoln Memorial Cent
U.S. one-cent piece struck 1959–2008 with Lincoln's profile and a Memorial reverse; 1982 is the split year between bronze and copper-plated zinc.
Small Cent
Native American Dollar
U.S. golden dollar with the Sacagawea obverse and a yearly-changing reverse; the 2009 issue shows Native American agriculture and three corn stalks.
Dollar