Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
10 Markka
Finland's largest circulating markka coin: a bimetallic 10 markkaa with a capercaillie bird on the obverse, struck 1993–2001 until the euro.
World
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
Kenya 1 Shilling
A circulating one-shilling coin of the Republic of Kenya bearing President Jomo Kenyatta on the obverse and the Kenyan coat of arms on the reverse.
World
George Washington Presidential Dollar
The 2007 golden dollar honoring George Washington, first coin in the U.S. Presidential $1 series, with a left-facing portrait and Statue of Liberty reverse.
Dollar
Solidus 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 Coins
Tanzania 500 Shillings
A modern base-metal circulating coin of Tanzania carrying a right-facing portrait long associated with the nation's founding president and a Kiswahili legend.
World
Indonesia 5 Rupiah
A lightweight aluminum 5-rupiah coin of the Republic of Indonesia dated 2003, carrying the Garuda eagle emblem and the legend Bank Indonesia.
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
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