Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Gold Guinea
English gold coin of the Guinea denomination; the example shown bears the right-facing bust of Charles II with a crowned cruciform shield reverse dated 1668.
World Coins
Roman Sestertius (Uncertain Emperor)
A large Roman imperial sestertius in bronze or orichalcum, heavily patinated with a bearded emperor's portrait and a reverse too worn to identify.
Ancient
Ancient Greek Didrachm
An ancient Greek silver didrachm worth two drachms, here with a bearded male head and a horse-and-rider reverse in the tradition of Magna Graecia.
Ancient
Medieval Silver Cut Farthing
A quarter of a medieval silver penny, physically cut along the reverse cross to make small change before round farthings became common.
British Isles
Gold Sovereign
The British gold sovereign: a one-pound gold coin. This 1817 George III example shows a laureate bust and a crowned heraldic shield of the royal arms.
World
Roman As/Dupondius (Uncertain)
An uncertain Roman bronze As or Dupondius: a double-faced Janus head on one side and a ship (galley/prow) with ROMA below on the other.
Ancient
Vienna Philharmonic (Gold)
Austria's flagship gold bullion coin, struck in 99.99% fine gold by the Austrian Mint and themed around the Vienna Philharmonic orchestra.
Bullion
American Palladium Eagle
The U.S. Mint's one-ounce .9995 fine palladium bullion coin, launched in 2017 with classic Weinman Mercury dime and eagle designs.
Bullion
Miliarensis of Constantius II
A late Roman silver miliarensis of Emperor Constantius II (AD 327–361), showing his diademed portrait and a standing reverse figure.
Ancient
Tanzania 100 Shillings
A golden brass Tanzanian coin worth 100 shillings, showing a lively scene of running antelope with the Swahili legend SHILINGI MIA MOJA.
World
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
Twenty Cent Piece
A short-lived U.S. silver coin worth twenty cents, showing a seated Liberty and a soaring eagle, struck only from 1875 to 1878.
Twenty Cent
Nigeria 1 Naira
Nigeria's copper-nickel 1 Naira showing the nationalist Herbert Macaulay on the obverse and the national coat of arms on the reverse.
World
Gambia 1 Dalasi
A distinctive octagonal copper-nickel coin of The Gambia, showing the national coat of arms and the bold value 1 Dalasi dated 1998.
World
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
Trinidad and Tobago 1 Dollar
A nickel-plated steel one-dollar coin of Trinidad and Tobago, carrying the national coat of arms and heraldic emblems, dated 2015.
Circulation
Indonesia 100 Rupiah
A modern lightweight aluminium 100 Rupiah of Indonesia, carrying the Garuda Pancasila national emblem, the BANK INDONESIA legend and the 100 denomination.
Southeast Asia
Denarius of Commodus
A silver denarius of the Roman emperor Commodus (180–192 AD), with his laureate bearded portrait and a standing deity or personification on the reverse.
Ancient
Trinidad and Tobago 10 Cents
A copper-nickel 10-cent coin of Trinidad and Tobago: the national coat of arms on the obverse and the denomination on the reverse.
Circulation
British 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.
British
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
Franklin Pierce Presidential Dollar
Golden-colored U.S. dollar from the Presidential $1 Coin series, honoring Franklin Pierce, the 14th President, with a Statue of Liberty reverse.
Dollar
Malawi 1 Tambala
Malawi's small copper-bronze 1 tambala of 1971, showing President Hastings Kamuzu Banda on the obverse and a standing cockerel on the reverse.
World
Ghana 1 Pesewa
A small copper-colored 1 pesewa coin of Ghana dated 1967, showing twin eagle heads and 'FREEDOM AND JUSTICE' on one side and a star on the other.
World