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

Nickel Three-Cent Piece
A post-Civil War small coin struck in copper-nickel to replace the fragile silver three-cent piece and small-denomination paper currency then in circulation.
United States
Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
United States
Silver Three-Cent Piece (Trime)
A tiny silver coin created to match the new 3-cent postage rate, the trime is the smallest-diameter coin ever struck by the U.S. Mint.
United States
Threepence
A small British coin worth three pence, issued first as a tiny silver piece and later as the distinctive 12-sided brass 'threepenny bit' beloved for its unusual shape.
British
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
Australian Threepence (pre-decimal)
Small pre-decimal Australian silver coin worth three pence, popularly recognized for its bundled wheat-ear reverse design used across most of the 20th century.
Africa & Oceania
Caligula Sestertius
A large brass sestertius of the notorious emperor Caligula, a scarce and historically fascinating coin due to his short, controversial reign and later condemnation.
Ancient
Western Satrap Silver Drachm
A silver drachm of the Western Satraps, Saka rulers of western India, easily identified by a crude Greek-style portrait obverse and a three-arched hill reverse.
Ancient
Corinthian Pegasus Stater
A widely circulated ancient Greek silver coin from Corinth, featuring the winged horse Pegasus on the obverse and a helmeted head of Athena on the reverse.
Ancient
Carthage Zeugitania Electrum Stater
A gold-silver electrum coin struck by Carthage, chiefly to fund its wars in Sicily, showing a wreathed female head and a horse or horse's head.
Ancient
Amphipolis Apollo Tetradrachm
Silver tetradrachm of Amphipolis in Macedon, famous for its masterfully engraved three-quarter facing head of Apollo, widely regarded as a high point of Greek coin art.
Ancient
Italian 10 Lire (Silver)
Kingdom of Italy silver 10 Lire coin, best known for the 1926–1930 'Biga' type showing a two-horse chariot, struck under Vittorio Emanuele III.
European
Panama-Pacific Quarter Eagle Commemorative
A 1915 commemorative gold coin honoring the Panama-Pacific Exposition, showing Liberty riding a hippocampus (sea horse), symbolizing the Panama Canal's linking of the Atlantic and Pacific Oceans.
Commemorative
German States Thaler
A large silver coin struck by the many independent states of the German-speaking world for over three centuries, and the direct linguistic ancestor of the word 'dollar.'
European
1984 Los Angeles Olympics Commemorative Dollar
The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.
Commemorative
Byzantine Solidus
The gold standard coin of the Byzantine Empire for over 700 years, the solidus funded an empire, financed trade across three continents, and remained one of history's most stable currencies.
Ancient
Tibetan Silver Tangka
The traditional silver coin denomination of Tibet, issued in many distinct types over roughly three centuries, from early Nepalese-struck coinage to native Tibetan and Sino-Tibetan issues.
Asian
Half Groat
A small hammered silver coin worth half the value of the groat, or two pence, struck across three centuries of English coinage from the reign of Edward III through the Stuart era.
British
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Ancient British Gold Stater (Cunobelin)
A gold stater of Cunobelin, the powerful pre-Roman British king later immortalized by Shakespeare as Cymbeline, notable for its ear-of-corn and horse reverse types.
Ancient
Pine Tree Shilling
Colonial Massachusetts silver shilling struck by John Hull and Robert Sanderson, famous for carrying the fixed date 1652 for roughly three decades of actual production.
United States