Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Spanish Colonial 8 Reales (Milled Bust)
The milled-bust Spanish colonial 8 reales—the classic “piece of eight,” a large silver coin bearing the Spanish king's portrait and royal arms.
ColonialCartwheel Twopence
The massive 1797 copper twopence of George III, famous for its broad raised rim and full ounce of copper, struck at Boulton's Soho Mint.
MilledGold 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 CoinsGold 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.
WorldAmerican Plantations Token
A 1688 tin token struck under James II for England's American colonies, valued at 1/24 of a Spanish real — the first regal-authorized coinage for British America.
ColonialMaundy One Penny
The smallest British Maundy silver coin, bearing a crowned Roman numeral I; this example was struck in 1687 under James II.
MaundyCambodia One Franc
A mid-20th-century one-franc coin of the Kingdom of Cambodia, its obverse bearing a royal Norodom profile and its reverse a heraldic coat of arms.
Southeast AsiaGeorge 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.
DollarWilliam IV One Rupee
Silver one-rupee coin of British India struck in 1835 under the East India Company, bearing the right-facing bust of King William IV.
British IndiaBritish 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.
BritishHalf Sovereign
A small British 22-carat gold coin worth ten shillings; this example shows Queen Victoria's veiled, crowned Jubilee Head portrait and is dated 1887.
World CoinsBritish Florin
A Victorian silver two-shilling florin with a crowned, veiled Victoria and a heraldic crowned-shields reverse; the pictured coin is dated 1890.
WorldVictoria Maundy Twopence
A tiny sterling-silver ceremonial coin from a Royal Maundy set. This 1845 example shows Victoria's young head and a crowned 2 in a wreath.
British IslesHawaii State Quarter
The 2008 Hawaii State Quarter, final coin in the 50 State Quarters series, showing King Kamehameha I reaching over the islands.
QuarterAntoninianus of Tetricus I
A billon antoninianus of the Gallic emperor Tetricus I (270–273 AD), showing his radiate portrait and a standing figure of Pax on the reverse.
AncientMaundy Three Pence
A tiny sterling-silver threepence tied to Britain's Royal Maundy tradition; the photographed 1687 coin shows James II's bust and a crowned Roman numeral III.
Maundy10 Markka
Finland's largest circulating markka coin: a bimetallic 10 markkaa with a capercaillie bird on the obverse, struck 1993–2001 until the euro.
WorldPapua New Guinea 5 Kina
Papua New Guinea's 1975 five-kina coin: Queen Elizabeth II in profile on the obverse, a bird-of-paradise with the K5 denomination on the reverse.
CirculationBicentennial Quarter
U.S. 25-cent coin issued for the 1976 Bicentennial, pairing Washington's portrait with a Colonial drummer and the dual date 1776-1976.
QuarterFollis of Diocletian
A large silver-washed bronze coin of the Tetrarchy, introduced by Diocletian's currency reform around AD 294 with a stern laureate portrait.
Ancient