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

Celtic Gold Stater
Iron Age gold coins struck by Celtic tribes across Gaul and Britain, evolving from close imitations of Macedonian staters into strikingly abstract, stylized designs.
Ancient
Celtic Gold Stater of the Parisii
A gold stater struck by the Parisii, the Gallic tribe that gave its name to Paris, showing highly abstracted, stylized versions of Greek prototype designs.
Ancient
Lydian Lion Trite (Electrum)
An early electrum coin from the Kingdom of Lydia bearing a roaring lion's head, among the very earliest coins struck anywhere in the world.
Ancient
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
Armorican Billon Stater
A debased silver-alloy stater struck by Celtic tribes of Armorica (modern Brittany), showing wildly abstracted horse and head designs derived from Greek prototypes.
Ancient
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
Valens Siliqua
A thin silver siliqua of Valens, eastern Roman emperor who died at the disastrous Battle of Adrianople against the Goths in 378 AD.
Ancient
Seleukos I Nikator Tetradrachm
Silver tetradrachm of Seleukos I Nikator, founder of the Seleucid Empire, often showing elephant and Nike-and-trophy imagery celebrating his eastern campaigns.
Ancient
Mithradates VI Pontos Tetradrachm
A Hellenistic silver tetradrachm portraying Mithradates VI Eupator of Pontos, Rome's fiercest eastern rival, with his distinctive wind-swept diademed portrait and a grazing stag reverse.
Ancient
Galerius Follis
Reform-era bronze follis of Galerius, Caesar and later Augustus of the eastern Tetrarchy, remembered for early persecution of Christians and his later Edict of Toleration issued just before his death.
Ancient
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
Aureus of Nero
The gold coin of Emperor Nero, whose AD 64 monetary reform reduced the aureus's weight standard alongside similar changes to the silver denarius.
Ancient
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
Isle of Man Gold Angel
A long-running gold bullion coin from the Isle of Man featuring the Archangel Michael slaying a dragon, struck by the private Pobjoy Mint since 1984.
Bullion
Roman Aureus of Augustus
A gold coin struck under Rome's first emperor, Augustus, marking the establishment of a stable imperial gold coinage that funded and symbolized the new Roman Empire.
Ancient
New Zealand Lord of the Rings Coins (2003)
New Zealand issued legal-tender coins featuring characters and scenes from Peter Jackson's Lord of the Rings film trilogy, celebrating the films' production in the country with both a circulating dollar and premium collector coins.
Commemorative
Type II Silver Three-Cent Piece
A short-lived redesign of the silver three-cent piece with heavier silver content and an outlined star, known for weak strikes and generally low mintages.
United States
Ides of March Denarius (EID MAR)
A denarius struck by Brutus in 42 BC commemorating Julius Caesar's assassination, showing daggers and a liberty cap — one of the most famous and valuable ancient coins ever made.
Ancient
Sassanian Drachm of Khusro II
A silver coin of the long-reigning Sasanian king Khusro II, among the most commonly found ancient Persian coins, showing his ornate crowned bust and a Zoroastrian fire altar.
Ancient
Spanish 8 Reales (Piece of Eight)
The legendary 'piece of eight,' Spain's silver dollar-sized coin that became the world's first truly global currency and the direct ancestor of the U.S. dollar.
World
Ayyubid Dinar of Saladin
A gold dinar struck under Salah al-Din (Saladin), founder of the Ayyubid dynasty famed for recapturing Jerusalem, continuing the Islamic tradition of purely inscriptional coinage.
World
Philip II of Macedon Gold Stater
A gold stater struck under Philip II of Macedon, father of Alexander the Great, widely circulated and imitated across the ancient Mediterranean and beyond.
Ancient
Isle of Man Noble (Platinum)
The world's first modern platinum bullion coin, struck for the Isle of Man government by Pobjoy Mint, featuring a Viking longship reverse.
Bullion