Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
Antoninus Pius Denarius
Silver denarius of Antoninus Pius, whose long, peaceful reign is remembered for stability and prosperity, including coins marking Rome's 900th anniversary.
Ancient
Postumus Antoninianus
Radiate coin of Postumus, the general who broke away from Rome to found the separatist Gallic Empire covering Gaul, Britain, Germania, and Hispania during the Crisis of the Third Century.
Ancient
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
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
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
1794 Flowing Hair Dollar
The very first silver dollar struck by the United States Mint, produced in extremely limited numbers and ranking among the most valuable American coins in existence.
United States
Gobrecht Dollar
A transitional silver dollar designed by Christian Gobrecht featuring a seated Liberty obverse and a flying eagle reverse, bridging older and newer designs in U.S. coinage.
United States
Aegina Sea Turtle Stater
One of the earliest widely circulated Greek silver coins, struck by the island city-state of Aegina, featuring a sea turtle and later a land tortoise, and nicknamed simply 'turtles' by ancient traders.
Ancient
New Jersey Copper
State-authorized copper coinage struck for New Jersey in the late 1780s, famous for its horse-head-and-plow obverse and shield reverse design.
United States
Tunisian Franc (Beylik Era)
French-franc-aligned coinage struck in the name of the Tunisian Bey during the era of French protectorate influence, blending Arabic and French inscriptions.
Africa & Oceania
Colombia 8 Reales
Silver 8 reales struck first under Spanish colonial rule in New Granada and later, after independence, in the name of the new Colombian republic.
Latin American
Cook Islands Bounty Silver
A modern silver bullion and collector coin issued for the Cook Islands, depicting the famed sailing ship HMS Bounty tied to the island region's history.
Bullion
1917 Doubled Die Obverse Lincoln Cent
One of the earliest known doubled die varieties in the Lincoln cent series, showing visible doubling in the date and lettering on an early 20th-century wheat cent.
Errors & Varieties
Mexican Gold Centenario (50 Pesos)
Mexico's iconic gold coin, first struck in 1921 to mark a century of independence, depicting the Angel of Independence and still produced today as bullion.
Bullion
Anglo-Saxon Silver Sceat
Small, thick early Anglo-Saxon silver coin with enigmatic pagan and Christian imagery, the direct forerunner of the later English penny.
British
Parthian Silver Drachm
Long-running silver coin of the Parthian Empire, showing the king's portrait on the obverse and the dynasty's founder as a seated archer on the reverse.
Ancient
British Trade Dollar
A silver trade dollar struck by Britain to compete with the Mexican and Spanish dollars circulating across Hong Kong, China, and Southeast Asia.
Asian
Japanese Mon (Kan'ei Tsuho cash coin)
Long-running cast copper or iron cash coin of Edo-period Japan, inscribed 'Kan'ei Tsuho' and produced continuously for well over two centuries.
Asian
Herakleia Herakles Nomos
A South Italian silver nomos from Herakleia showing Athena on the obverse and the city's namesake hero Herakles wrestling the Nemean lion on the reverse.
Ancient
Titus Denarius
The silver denarius of Emperor Titus, second Flavian ruler, celebrated for completing the Colosseum and for a short, well-regarded reign.
Ancient
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
1873 Two-Cent Piece (Proof Only)
The final year of the two-cent piece, struck only in proof for collectors rather than for circulation, and split into Closed 3 and Open 3 date varieties.
United States
1856 Flying Eagle Cent
An extremely rare pattern-like small cent struck to convince Congress to approve a new, smaller cent design, and one of the most desired key dates in U.S. coinage.
United States