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

1965-1970 Kennedy Half Dollar (40% Silver)
Kennedy half dollars struck with a reduced 40% silver clad composition after the Coinage Act of 1965, bridging the gap between full silver coinage and today's copper-nickel clad coins.
United States
2011 Gettysburg America the Beautiful Quarter
An America the Beautiful Quarters release honoring Gettysburg National Military Park in Pennsylvania, site of the pivotal 1863 Civil War battle.
United States
2004-D Wisconsin Extra Leaf High Quarter
The 'high leaf' variant of the famous Wisconsin quarter extra-leaf variety, showing the anomalous extra corn leaf pointing upward and outward rather than low near the cheese wheel.
Errors & Varieties
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
Chinese Cash Coin (Qing Dynasty 'Kangxi Tongbao')
Classic cast bronze cash coin bearing the reign title of Emperor Kangxi, struck across many provincial mints during one of the longest reigns in Chinese history.
Asian
Thailand (Siam) Silver Baht 'Bullet Money' (Pod Duang)
Distinctive bent-bar silver currency used in Siam for centuries, hand-formed into a bullet-like shape and stamped with royal marks in place of a flat coin design.
Asian
Japanese Oban
A large, oval, hand-hammered gold plate coin of feudal Japan, used mainly as a gift, reward, or ceremonial item rather than everyday currency, among the largest gold coins ever issued.
Asian
Netherlands 5 Gulden Gold
A gold 5 gulden coin struck intermittently by the Kingdom of the Netherlands, first under King William I in the 1820s and later as a rare 1912 commemorative under Queen Wilhelmina.
European
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
Velia (Elea) Lion and Nymph Nomos
A classic South Italian silver nomos pairing a finely helmeted head of Athena with a striding or attacking lion, from the philosophically famous city of Velia.
Ancient
Messana Hare and Biga Tetradrachm
Silver tetradrachm of Messana in Sicily, famous for its obverse mule-cart (biga) driven by a charioteer crowned by Nike, paired with a running hare on the reverse.
Ancient
Katane (Catania) Apollo Tetradrachm
Silver tetradrachm of Katane in Sicily, admired for its finely engraved Apollo portrait and dynamic quadriga scene, sometimes signed by celebrated die engravers.
Ancient
Nerva Denarius
Silver denarius of the elderly senator Nerva, first of Rome's "Five Good Emperors," whose brief reign is best remembered for adopting Trajan as his successor.
Ancient
1913 Barber Half Dollar
A recognized key date of the Barber half dollar series, with a Philadelphia mintage far lower than most other years, making it prized by series collectors.
United States
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
Indian Head Eagle ($10)
A striking early 20th-century gold eagle designed by Augustus Saint-Gaudens as part of President Theodore Roosevelt's push to beautify American coinage.
United States
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
United States
Fugio Cent
The first coin authorized by the United States government, featuring a sundial, the word 'Fugio,' and the motto 'Mind Your Business,' often linked to Benjamin Franklin.
United States
Persian Gold Daric
The standard gold coin of the Achaemenid Persian Empire, depicting the Persian Great King as a running or kneeling archer, used widely to pay soldiers and mercenaries.
Ancient
United Arab Emirates Dirham
Federal currency introduced in 1973 after the formation of the UAE, unifying the emirates' varied prior currencies into a single dirham divided into 100 fils.
Asian
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
Perth Mint Silver Swan
A silver bullion coin from the Perth Mint featuring the black swan, an emblem of Western Australia, with a fresh design issued in most years.
Bullion
Niue Silver Owl (Athenian)
A modern silver bullion coin issued in the name of Niue, reviving the design of the ancient Athenian owl tetradrachm as a tribute to classical coinage.
Bullion
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