Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Capped Bust Quarter Eagle
A one-year U.S. gold $2.50 piece struck only in 1808, with John Reich's capped Liberty obverse and a heraldic eagle reverse. A classic rarity.
Quarter Eagle
Double Louis d'Or
A large gold coin of Louis XIV dated 1701: the king's laureate profile and 'LUDOVICUS MAGNUS' obverse, an ornate cross of arms reverse.
Royal
20 Soles de Oro
A Peruvian gold 20 soles de oro showing a seated Liberty with crown, torch and radiant sun, part of Peru's mid-20th-century gold coinage.
Circulation
Escudo (Joanna and Charles V, contemporary copy)
A contemporary gilded copper-alloy copy imitating a Spanish gold escudo of Joanna and Charles V, made to pass as the real Habsburg gold coin.
Early Modern
1000 Reis (Discovery of India)
A late Kingdom of Portugal 1000 Reis of the Carlos I period, showing a king's right-facing profile and the crowned Portuguese royal arms on the reverse.
Modern
East India Company Two Mohurs
An 1835 East India Company gold two mohurs, showing William IV facing left and a lion before a palm tree above 'TWO MOHURS'.
British India
Capped Head Quarter Eagle
A rare early U.S. $2.50 gold coin struck 1821–1834, showing a left-facing capped Liberty head amid stars and a heraldic eagle with shield and E PLURIBUS UNUM.
United States
100 Soles de Oro
Peru's largest gold Sol de Oro—a heavy .900 gold coin of the Lima Mint. This reverse-only 1965 example shows a fortress emblem and CASA DE MONEDA DE LIMA.
Circulation
Half Escudo (800 Reis) of Joao V
A small Portuguese gold coin of King Joao V, valued at half an escudo (800 reis), with his laureate bust and a crowned Portuguese shield.
Colonial
Keicho Oban
A large, thin oval Japanese gold oban of the Keicho era, hammer-marked with horizontal striations and bearing brush-inked ink signatures and paulownia crests.
Historic
5 Aurar
Icelandic bronze 5 aurar of the Kingdom era, marked ÍSLAND with a crowned KONUNGDÓMUR ÍSLANDS reverse, struck 1926-1942.
World
Manlius Vulso Æ Sextans
Small Roman Republican bronze sextans signed by the moneyer Manlius Vulso, with a capped male head and the classic prow reverse marked ROMA.
Ancient
Nasidius Denarius
Roman Republican silver denarius struck for Sextus Pompey's admiral Q. Nasidius, showing Pompey the Great's head and a galley marked NASIDIVS.
Ancient
Silver Rupee of Bhopal State
Silver rupee of the princely state of Bhopal, struck at the Daulatgarh mint in the name of Mughal emperor Muhammad Akbar II, marked by a trident symbol.
Princely & Presidency States
Koban with Dutch East Indies Counterstamp
An Edo-period Japanese gold koban bearing later punched marks, including a Japanese character cartouche and a Dutch coat-of-arms counterstamp.
Colonial
Poltina (½ Rouble)
Silver half-rouble of Imperial Russia dated 1857, marked ПОЛТИНА on one side and bearing the crowned double-headed eagle of the Romanov empire.
Modern
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
Israel Half Lira (25th Anniversary)
A silver Israeli half lira dated 1973, the year the young state marked 25 years of independence, carrying a menorah-and-sprigs emblem and a Hebrew value.
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
Antoninianus
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 Coins
Macao 5 Patacas
A distinctive octagonal Macao 5 Patacas circulation coin dated 2007, showing a denomination-marked face and a sailing ship over a harbor scene.
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
Guangxu Yuanbao 7 Mace 2 Candareens
A silver Chinese dragon dollar of the Guangxu era, marked Guangxu Yuanbao and valued at 7 Mace 2 Candareens, with a coiled dragon on one face and Chinese legends on the other.
Circulation
Venetian Grosso (Matapan)
High-purity silver Grosso of medieval Venice: the Doge kneeling before St. Mark on the obverse, an enthroned Christ on the reverse.
Medieval