Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
German 3 Mark Silver
A large silver coin of Imperial Germany, issued by the various constituent states with distinct rulers' portraits and commemorative designs.
European
German Prussia 20 Mark Gold
The standard gold coin of Prussia within the newly unified German Empire, featuring successive Prussian kings and forming a key part of the empire's gold mark system.
European
German 5 Mark Silver (Kaiserreich)
The 5 Mark was the largest circulating silver coin of the German Empire, issued by numerous constituent states and free cities, each with its own portrait or design under a common imperial system.
European
German 5 Deutsche Mark Commemoratives
West Germany issued special silver 5 Deutsche Mark coins from the 1950s through the mid-1980s to mark anniversaries, institutions, and notable Germans, alongside its regular circulating 5 DM coin.
Commemorative
German Empire 20 Mark Gold (Wilhelm II)
The standard gold coin of the German Empire under Kaiser Wilhelm II, struck at multiple state mints and widely collected for its imperial portrait and eagle reverse.
European
1922 No D Lincoln Cent
A famous Lincoln cent error from Denver where a worn or clogged die produced cents lacking the D mint mark, since Denver was the sole mint striking cents that year.
Errors & Varieties
1939-D Jefferson Nickel
A scarce early Denver-mint Jefferson Nickel with one of the lowest mintages of the pre-war series, considered a semi-key date for collectors building a complete set.
United States
1914-D Lincoln Cent
A famous key date in the Lincoln wheat cent series, prized for its low mintage from the Denver Mint and ranked among the most important dates collectors need to complete the series.
United States
1914-D Lincoln Wheat Cent
A famous key-date Lincoln cent struck at the Denver Mint in 1914 in a comparatively low quantity, making it one of the most sought-after dates in the series.
United States
1943-P/D Jefferson Nickel Doubled Mintmark
A wartime Jefferson nickel variety showing evidence of a doubled or repunched mint mark, with traces suggesting a D was punched before being corrected to a P, or vice versa, above Monticello on the reverse.
Errors & Varieties
1918/7-D Buffalo Nickel
One of the most famous overdate errors in United States coinage, showing 1918 struck over an earlier 1917 date on a Buffalo nickel die reused at the Denver Mint.
Errors & Varieties
1919-D Standing Liberty Quarter
A semi-key Denver-minted Standing Liberty quarter, scarcer than common dates of the series and notably difficult to find with a fully struck head.
United States
1937-D Three-Legged Buffalo Nickel
One of the most famous U.S. mint errors, this Denver-struck Buffalo Nickel variety shows the bison missing its front leg after a Mint worker over-polished a damaged die.
Errors & Varieties
1946-S/D Jefferson Nickel Repunched Mintmark
A hand-punched mintmark variety on the 1946 Jefferson nickel showing remnants of a D beneath the final S, created when a die intended for one mint was repunched with another mintmark.
Errors & Varieties
Mark Antony Legionary Denarius
A widely produced denarius struck by Mark Antony to pay his legions before the Battle of Actium, each type naming a specific Roman legion on the reverse.
Ancient
Prussian Thaler
The Prussian Thaler was the leading silver coin of the powerful Kingdom of Prussia, circulating from the mid-18th century until German unification replaced it with the mark in 1871–1873.
European
Carson City Morgan Dollar (CC Mint)
Morgan silver dollars struck at the Carson City Mint, identified by the small CC mintmark, prized for their Wild West mystique and generally lower mintages than Philadelphia or New Orleans issues.
United States
Australian Koala (Perth Mint)
A bullion coin series from Australia's Perth Mint featuring a different koala design nearly every year, prized by collectors for its changing artwork and high purity.
Bullion
Royal Mint £5 Crown Commemorative
The modern British £5 coin descends from the historic crown and is issued almost exclusively for commemorative purposes, marking royal events, anniversaries, and national milestones.
Commemorative
Bolivia 8 Reales (Potosi Mint)
A major Spanish colonial and early Bolivian silver dollar struck at the legendary Potosí mint, fed by the immense silver deposits of the Cerro Rico mountain.
Latin American
Somalian Silver Elephant (African Wildlife)
An annually redesigned silver bullion coin featuring an African elephant, issued in the name of Somalia but struck at a German state mint since 2004.
Africa & Oceania
1909-S VDB Lincoln Cent
The most famous key date in the Lincoln cent series, struck only briefly at the San Francisco Mint with designer Victor D. Brenner's initials on the reverse.
United States
Rwandan Silver African Wildlife
A modern bullion coin series issued under Rwandan sovereignty depicting various African animals, minted in Germany and produced in different subseries by animal theme.
Africa & Oceania