Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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 DollarFrench 40 Francs Gold (Napoleon I)
A large early French gold coin showing Napoleon Bonaparte's left-facing profile and a wreathed reverse, struck in the opening years of his rule.
Bullion/goldGold Tetradrachm of Ptolemy II and Arsinoe II
Ptolemaic gold of Egypt, c. 260-240 BC, with paired busts of Ptolemy II and Arsinoe II on one side and Ptolemy I and Berenike I on the other.
AncientIslamic Gold Dinar (LACMA M.2006.143.8)
A medieval Islamic gold dinar in the LACMA collection, struck with purely calligraphic Arabic legends and a decorative border — the classic imageless coin of the caliphates.
Islamic (Medieval)U.S. Gold Five Dollar (Half Eagle)
Modern U.S. $5 gold coin: Saint-Gaudens striding Liberty with torch on the obverse and a soaring eagle reverse; this piece is dated 1987.
UsClark & Co Territorial Gold Half Eagle
An 1860 privately struck $5 gold piece from Clark, Gruber & Co. of Denver, coined from Pikes Peak gold during the Colorado gold rush.
Half EagleCoin Weight for Louis d'Or
A small bronze monetary weight used to verify a gold Louis d'Or on a balance, showing a worn royal profile and a heraldic reverse.
Token/weightLouis d'Or Coin Weight
A French bronze monetary weight (poids monétaire) made to check the weight of a gold Louis d'Or, not a coin itself but a money-changer's balance weight.
Coin WeightNewfoundland Two Dollars
Small gold two-dollar coin of the colony of Newfoundland; the only circulating coin ever denominated in dollars, cents, and pence together.
Canadian & ProvincialNapoleon III 20 Francs
French gold 20 francs of Emperor Napoleon III, showing his bare head facing right and a wreathed value on the reverse; example dated 1857.
World Coins20 Francs Napoleon
A small 21 mm French gold coin bearing Napoleon III's profile and a wreathed 20 FRANCS reverse — the classic gold Napoleon, here dated 1857.
BullionAureus 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 CoinsBritish Half Sovereign
A small 22-carat British gold coin worth ten shillings; the pictured example shows Queen Victoria's left-facing Young Head portrait, dated 1863.
BritishLiberty Head Half Eagle
United States $5 gold coin with a left-facing Liberty head ringed by stars and a spread-winged eagle reverse; the pictured piece is dated 1838.
United StatesQajar 5 Tomans Commemorative
A late Qajar gold 5 Tomans of Persia showing Ahmad Shah Qajar in a laurel wreath and the national Lion emblem, dated 1299.
Persia / IranHalf Sovereign
A small British 22-carat gold coin worth ten shillings; this example shows Queen Victoria's veiled, crowned Jubilee Head portrait and is dated 1887.
World CoinsBrutus Aureus
The gold aureus of Marcus Junius Brutus, struck 42 BC, whose reverse celebrates Caesar's assassination with EID MAR, a cap of liberty, and two daggers.
AncientSolidus of Justinian I
Byzantine gold solidus of Emperor Justinian I (527-565 AD), showing his crowned imperial bust with a seated figure on the reverse.
Ancient CoinsSolidus of Constantius II
Late Roman gold solidus of Emperor Constantius II (337-361 AD), showing his diademed bust facing right paired with a seated-figure reverse.
Ancient CoinsKeicho Koban
A thin oval Japanese gold coin worth one ryo, its surface covered in fine parallel striations with stamped cartouches and Goto mint marks.
HistoricJapanese 20 Yen
Early Meiji-era Japanese gold coin showing a dragon among clouds on one side and a floral design with the 20 yen denomination on the other.
World Coins10 Euro (Royal Marriage)
A 2002 Netherlands gold 10 Euro commemorating the royal wedding, with Queen Beatrix on the obverse and the dual profiles of Willem-Alexander and Maxima on the reverse.
CommemorativeHalf Sovereign of George III
British 22-carat gold half sovereign of George III, introduced in 1817 with a laureate bust and a crowned shield of arms; face value ten shillings.
MilledVietnam 2 Tien - Bao Dai
A gold 2 Tien of Vietnam's last emperor, Bao Dai (1926-1945), its face bearing a radiant sun motif and Chinese-Vietnamese court inscriptions.
Southeast Asia