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

1938-D Buffalo Nickel
The final year of the Buffalo Nickel series, the 1938-D was widely saved by the public at the time and remains a popular, affordable last-year issue for collectors.
United States
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
1896-S Barber Quarter
One of the three classic key dates of the Barber quarter series, valued for its low original mintage and the difficulty of finding problem-free survivors.
United States
1804 Draped Bust Dime
A scarce early dime featuring the Draped Bust obverse and Heraldic Eagle reverse, struck in very limited numbers and prized as a key date of the series.
United States
1794 Flowing Hair Half Dime
One of the very first silver coins struck for circulation by the United States Mint, bearing the Flowing Hair Liberty design and a small eagle reverse.
United States
New Zealand Penny (KGVI)
New Zealand bronze penny struck under King George VI, notable for its reverse featuring the native tuatara reptile, part of the country's distinctive 1933-launched coin series.
Africa & Oceania
Australian Holey Dollar and Dump
In 1813, colonial authorities in New South Wales punched the centers out of Spanish silver dollars to create two coins from one, easing a severe coin shortage while preventing the silver from leaving the colony.
Africa & Oceania
Tuvalu Marvel Silver Coins
Officially licensed Marvel superhero silver coins issued in the name of Tuvalu, produced by Australia's Perth Mint and featuring characters like Spider-Man, Iron Man, and the Avengers.
Commemorative
Canadian Colored Maple Leaf
A colorized variant of Canada's iconic Maple Leaf bullion coin, applying vivid printed designs over the standard maple leaf or themed reverse to create eye-catching collector editions.
Canadian
French 5 Francs "Napoleon"
A large silver crown-sized coin bearing the portrait of Napoleon Bonaparte, first as First Consul and later as Emperor, marking France's decimal franc system's early flagship silver denomination.
European
Straits Settlements Silver Dollar
A large British colonial silver dollar struck for Singapore, Penang, and Malacca, created to give the Straits Settlements a standardized coin after decades of competing foreign trade dollars.
Asian
Papal States Scudo
The principal silver coin of the Papal States, bearing the portrait or arms of the reigning pope alongside religious imagery, struck for centuries until the Papal territories' loss of independence.
European
Greek Drachma
The modern national currency of Greece from shortly after independence until the adoption of the euro, reviving the name of the ancient Greek unit and featuring classical and historical imagery.
European
Sassanian Silver Drachm
The standard silver coin of the Sasanian Persian Empire, featuring an elaborately crowned king's portrait and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
Byzantine Gold Tremissis
A small gold fractional coin worth one-third of a solidus, widely struck across the early Byzantine world and imitated by Germanic successor kingdoms in the former Western Roman Empire.
Ancient
Vijayanagara Gold Pagoda
A small, thick gold coin of the South Indian Vijayanagara Empire, typically showing Hindu deities or a bull, whose type became so trusted it was widely imitated as the standard South Indian trade "pagoda."
Asian
Type 2 Indian Princess Gold Dollar
A short-lived, notoriously weakly struck redesign of the U.S. gold dollar, prized today for its brief production window and the striking difficulties that led to its quick replacement.
United States
Louisiana Purchase Gold Dollar Commemorative
A 1903 commemorative gold dollar issued for the Louisiana Purchase Exposition in St. Louis, struck in two varieties featuring the portraits of Thomas Jefferson and William McKinley.
Commemorative
1974 Aluminum Cent
An extremely rare experimental pattern struck in aluminum as a potential replacement for the copper cent amid rising metal costs, almost none of which were legally released to the public.
Errors & Varieties
1939-S Jefferson Nickel
A scarce San Francisco Jefferson Nickel from the early series, notable for being one of two tougher 1939 issues and for a well-known doubled-die reverse variety showing a doubled MONTICELLO.
United States
1933 Double Eagle
One of the rarest and most legally contested U.S. coins, struck but never officially released for circulation after the nation left the gold standard; a single example sold for over $18 million.
United States
Maundy Fourpence
The largest of the four Royal Maundy coins, a small silver fourpence descended in value from the medieval groat, struck annually for the monarch's ceremonial Maundy Thursday alms distribution.
British
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
Domitian Denarius
Silver coin of the last Flavian emperor, Domitian, whose lengthy autocratic reign produced abundant, well-struck denarii before his assassination and damnatio memoriae.
Ancient