Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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 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
George Washington 250th Anniversary Half Dollar
A 1982 U.S. silver half dollar honoring the 250th anniversary of George Washington's birth; it revived both the commemorative program and 90% silver coinage.
Modern Commemorative
Islamic 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)
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
Panama-Pacific Exposition Quarter Eagle
A 1915 gold $2.50 commemorative for San Francisco's Panama-Pacific Exposition, showing Columbia astride a hippocamp and an eagle on the reverse.
Classic Commemorative
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
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
Kai Yuan Tong Bao
A Tang-dynasty Chinese bronze cash coin with the four seal-script characters Kai Yuan Tong Bao around a central square hole.
Cash Coin
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
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
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
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
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
Vespasian Judaea Capta Denarius
Silver denarius of Emperor Vespasian (71–79 AD) with his laureate bust and a Judaea Capta reverse showing a mourning seated captive.
Ancient
Brutus 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.
Ancient