Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.

Peru 8 Reales (Lima Mint)
The flagship silver dollar-size coin of colonial and early republican Peru, struck at the historic Lima mint from cob and pillar types through crowned-shield busts.
Latin American
Straits Settlements Silver Dollar
A large British colonial silver dollar struck for Singapore, Penang, and Malacca, created to give the Straits Settlements a standardized coin after decades of competing foreign trade dollars.
Asian
Guinea
Historic British gold coin named for the West African region that supplied much of its gold, valued at 21 shillings for most of its history and predecessor to the modern sovereign.
British
Trajan Sestertius
A large bronze coin of Trajan, whose reign brought the Roman Empire to its greatest territorial extent, with reverses celebrating Dacian conquest, public works, and Trajan's Column.
Ancient
Farthing
The smallest-value British bronze coin, worth a quarter of a penny, fondly remembered for its charming wren reverse design used from 1937 until its withdrawal.
British
Halfpenny
A small British bronze coin worth half a penny, best known in its twentieth-century form featuring Sir Francis Drake's ship the Golden Hind on the reverse.
British
Aurelian Antoninianus
Radiate coin of Aurelian, the soldier-emperor who reunited the fractured Roman Empire and enacted a major coinage reform introducing standardized silver content marked with XXI or KA.
Ancient
Byzantine Follis
The large bronze workhorse coin of everyday Byzantine commerce, reformed by Emperor Anastasius I in 498 AD with a prominent Greek numeral denoting its value of 40 nummi.
Ancient
Islamic Gold Dinar (Umayyad)
The first purely epigraphic Islamic gold coin, introduced by Caliph Abd al-Malik around 696 AD, replacing figural Byzantine-style imagery with Quranic inscriptions.
Ancient
Chinese Tang Dynasty Cash
The influential bronze cash coin introduced in the Tang Dynasty, inscribed "Kai Yuan Tong Bao," that established the round-with-square-hole design copied for over a thousand years.
Asian
Umayyad Silver Dirham
A silver coin of the Umayyad Caliphate struck after Caliph Abd al-Malik's monetary reform, bearing only Arabic inscriptions and setting the template for centuries of Islamic coinage.
World
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
Groat (Fourpence)
A historic English silver coin worth four pence, first struck under Edward I in 1279 and periodically revived, later surviving mainly as a Maundy Money denomination.
British
Broad
A gold twenty-shilling coin nicknamed the 'Broad' for its wide, thin flan, struck under the Commonwealth and Oliver Cromwell and continued briefly into the early reign of Charles II.
British
Maundy Fourpence
The largest of the four Royal Maundy coins, a small silver fourpence descended in value from the medieval groat, struck annually for the monarch's ceremonial Maundy Thursday alms distribution.
British
Cartwheel Twopence (1797)
An enormous two-ounce copper twopence struck in 1797, the largest coin ever produced for circulation in Britain, made famous for its heavy raised cartwheel-style rim.
British
Julius Caesar Portrait Denarius
A landmark Roman coin struck in 44 BC bearing the portrait of Julius Caesar during his lifetime, the first time a living Roman had appeared on state coinage.
Ancient
1892 Barber Half Dollar
First-year issue of Charles Barber's Liberty Head half dollar, with the 1892-O and 1892-S branch mint coins notably scarcer than the Philadelphia strike.
United States
1974 Eisenhower Dollar
A large dollar coin honoring President Dwight D. Eisenhower and the Apollo 11 moon landing, common in circulated grades but collected as part of the popular Ike dollar series.
United States
Liberty Head Eagle ($10)
A long-running 19th-century gold coin featuring Christian Gobrecht's Coronet Head design, minted at numerous branch mints across the expanding United States.
United States
Japanese Koban
A hand-hammered oval gold coin used in feudal Japan under the Tokugawa shogunate, valued at one ryo and stamped with ink calligraphy certifying its weight and fineness.
Asian
Florentine Florin
Introduced in 1252, the gold florin of Florence became medieval Europe's leading trade coin, its lily emblem and fixed gold standard copied by dozens of other mints.
European
South African ZAR Kruger Pond
Gold pound-equivalent coin of the old South African Republic (Transvaal) under President Paul Kruger, notable for its wagon reverse and the rare 'single shaft' variety.
Africa & Oceania
New Zealand Waitangi Crown (1935)
Rare 1935 New Zealand silver crown depicting the meeting between Governor Hobson and Maori chiefs, one of the most valuable coins in British Commonwealth crown collecting.
Africa & Oceania