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

Antiochos Seleucid Tetradrachm
Silver tetradrachm struck for one of several Seleucid kings named Antiochus, featuring a royal portrait obverse and enthroned Apollo reverse typical of the dynasty.
Ancient
British Silver Landmarks of Britain
A Royal Mint silver bullion series celebrating famous British landmarks, offering collectors a UK-themed alternative to the flagship Britannia coin.
Bullion
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
1939 Royal Visit Silver Dollar (Parliament)
A commemorative Canadian silver dollar marking the 1939 royal tour of King George VI and Queen Elizabeth, with the Parliament Buildings depicted on the reverse.
Canadian
British Queen's Beasts Silver Series
A ten-coin Royal Mint bullion series honoring the heraldic Queen's Beasts statues from Queen Elizabeth II's 1953 coronation, issued 2016-2021.
British
1936 Dot Cent
One of Canada's rarest coins: a 1936-dated cent quietly struck in 1937 with a tiny raised dot below the date after King Edward VIII's abdication delayed new George VI dies.
Canadian
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
Spanish Colonial 8 Reales Ferdinand VII
A large silver 8 reales coin struck across Spain's American colonies bearing the portrait of King Ferdinand VII, widely circulated internationally and historically linked to the origin of the US dollar sign.
World
1804 Draped Bust Dollar
One of the most famous rarities in American numismatics, a silver dollar dated 1804 but actually struck decades later, with only 15 known examples.
United States
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British
Visigothic Gold Tremissis
Small gold coin of the Visigothic kings of Spain, evolving from crude imitations of Roman/Byzantine coinage into the first distinctly national royal coinage of post-Roman Western Europe.
European
English Sovereign of Henry VII
The first English sovereign, introduced by Henry VII in 1489 as a large, prestigious gold coin showing the king enthroned in majesty, meant to project royal power after the Wars of the Roses.
British
Italian 20 Lire Gold (Vittorio Emanuele)
The Kingdom of Italy's standard 20 lire gold coin, issued under kings including Vittorio Emanuele II, sharing the Latin Monetary Union's gold specifications with coins like the French Napoleon.
European
Rosa Americana Coinage
A British-issued colonial coinage for America under a patent granted to William Wood, showing a rose and King George I, that was widely rejected by colonists for its poor metal and overvaluation.
United States
Hong Kong Silver Dollar (1866–1868, Victoria)
A short-lived silver dollar struck at Britain's ill-fated Hong Kong Mint, bearing a young portrait of Queen Victoria; the mint closed within two years.
Asian
Third Farthing
An extremely small denomination worth one-twelfth of a penny, struck mainly to serve the currency needs of the British colony of Malta across the nineteenth and early twentieth centuries.
British
Quarter Farthing
The smallest fractional denomination in British coinage, worth one-sixteenth of a penny, struck primarily for use in colonial Ceylon during Victoria's reign.
British
Half Farthing
A tiny copper coin worth one-eighth of a penny, struck mainly for use in colonial Ceylon during the reigns of George IV, William IV, and Victoria.
British
Two Guinea (Double Guinea)
A substantial gold coin worth two guineas, struck intermittently from the reign of Charles II through George II as part of England and Great Britain's early guinea coinage system.
British
Five Guinea
The largest regularly issued gold denomination of the guinea coinage system, worth five guineas, struck from the reign of Charles II through George II for major transactions and presentation purposes.
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
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
Lydian Croeseid (Croesus Stater)
One of history's earliest bimetallic coinages, struck under the legendary King Croesus of Lydia, featuring the confronting foreparts of a lion and a bull.
Ancient
Lysimachos Tetradrachm (Alexander/Athena)
A silver tetradrachm struck by King Lysimachos, one of Alexander the Great's successors, showing the deified Alexander with a ram's horn and a seated Athena on the reverse.
Ancient