Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Gold 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.
Ancient
India 10 Rupees Commemorative
Bi-metallic Indian 10-rupee commemorative honoring Maharana Pratap, shown in armor with a sword and Devanagari inscription, dated 2015.
Modern India
Elgin Illinois Centennial Half Dollar
A 1936 U.S. silver half dollar marking the centennial of Elgin, Illinois, with a bearded pioneer head and a pioneer-family memorial group on the reverse.
Classic Commemorative
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
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
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
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
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
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
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
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
25 Pesetas (Franco)
Spain's common Franco-era 25 pesetas, a silvery copper-nickel coin bearing the national coat of arms and the value 25; dated 1957 but struck into the 1970s.
Modern
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