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

Constantine the Great Follis
A bronze coin of Constantine the Great, the emperor who legalized Christianity and founded Constantinople, struck at numerous mints across a transforming empire.
Ancient
Canadian Maple Leaf (Gold)
Introduced in 1979, the Canadian Gold Maple Leaf was one of the first .9999 pure gold bullion coins in the world and remains a benchmark product of the Royal Canadian Mint.
Bullion
Vermont Copper
Copper coinage struck under authority of the independent Vermont Republic in the 1780s, featuring an early landscape design and later a Britannia-style type.
United States
Austrian Gold Ducat
A traditional high-purity Austrian gold trade coin with centuries of history, still struck today by the Austrian Mint as an official restrike permanently dated 1915.
European
Syracuse Arethusa Tetradrachm
A classic silver tetradrachm from ancient Syracuse depicting the nymph Arethusa surrounded by dolphins, one of the most admired coin types of the Greek world.
Ancient
Ottoman Silver Akce
A tiny silver coin that served as the basic everyday currency unit of the Ottoman Empire for centuries, gradually shrinking in size and silver content as inflation took hold.
World
Maximian Follis
Large bronze follis of Maximian, co-Augustus with Diocletian who ruled the western half of the empire as part of the Tetrarchy and shared the same reformed coinage design.
Ancient
Matte Proof Lincoln Cent
A special proof finish used on Lincoln cents from 1909 to 1916, featuring a fine, sandy, non-reflective surface instead of the mirror-like brilliance of earlier proof coins.
United States
Austrian Gold Philharmonic
Austria's popular gold bullion coin honoring the Vienna Philharmonic Orchestra, featuring the Musikverein's Great Organ and an array of orchestral instruments.
Bullion
Ottoman Gold 500 Kurus (Abdulhamid II)
A substantial gold coin struck under Sultan Abdulhamid II, equal to five Ottoman lira, bearing his tughra and used both for circulation and as a store of wealth.
World
Mexican Libertad
Mexico's flagship bullion coin, featuring the Angel of Independence on the obverse and the national coat of arms on the reverse, prized for its classic design and high purity.
Bullion
Canadian Palladium Maple Leaf
The Royal Canadian Mint's palladium bullion coin, sharing the Maple Leaf design used across Canada's precious metal series, produced intermittently since 2005.
Bullion
Somali Elephant Gold
The gold version of Somalia's popular African Wildlife elephant coin series, produced by the Bavarian State Mint with a design refreshed nearly every year.
Bullion
Australian Silver Koala
A Perth Mint silver bullion coin featuring an annually changing depiction of the koala, launched in 2007 as a companion series to the long-running Silver Kookaburra.
Bullion
Australian Silver Kookaburra
An annually redesigned Australian silver bullion coin issued since 1990, featuring a different depiction of the native kookaburra bird each year.
Bullion
Colombian 8 Escudos Gold (Popayán)
A large colonial gold doubloon struck at the historic Popayán mint in present-day Colombia, prized by collectors as one of the classic Spanish colonial gold coins of South America.
Latin American
Mexican 10 Pesos Gold 'Hidalgo'
A small Mexican gold coin honoring independence leader Miguel Hidalgo, struck during the Porfiriato and later restruck for the bullion market in the 1950s.
Latin American
Philippine 20 Centavos (US-Philippines)
A small silver coin from the US administration of the Philippines, showing Liberty striking an anvil before Mount Mayon on the obverse and a heraldic eagle on the reverse.
Asian
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
Sixpence
A small British silver coin worth half a shilling, affectionately nicknamed the 'tanner,' beloved for its traditional role tucked into Christmas puddings.
British
1878 Shield Nickel (Proof Only)
Another proof-only rarity in the Shield Nickel series, struck exclusively for collectors with no business-strike coinage issued for circulation that year.
United States
Saint-Gaudens Double Eagle
Widely regarded as one of the most beautiful U.S. coins ever produced, designed by sculptor Augustus Saint-Gaudens at the urging of President Theodore Roosevelt.
United States
1891 Seated Liberty Quarter
The final year of the long-running Seated Liberty quarter design before it was replaced by the Barber quarter in 1892, popular as an affordable closing-date type coin.
United States