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

French Indochina Sarraut Piastre (1931)
A reduced-weight silver piastre introduced in 1931 for French Indochina after rising world silver prices made the older, larger trade piastre worth more in bullion than in face value.
Asian
1976 Bicentennial Kennedy Half Dollar
A special dual-dated 1776-1976 Kennedy half dollar with a redesigned Independence Hall reverse, struck to commemorate the United States Bicentennial.
United States
1937 Doubled Die Obverse Buffalo Nickel
A doubled die variety of the 1937 Buffalo nickel showing visible doubling in the obverse date and lettering, collected alongside other notable varieties from the final years of the Buffalo nickel series.
Errors & Varieties
Hong Kong Silver Dollar (1866–1868, Victoria)
A short-lived silver dollar struck at Britain's ill-fated Hong Kong Mint, bearing a young portrait of Queen Victoria; the mint closed within two years.
Asian
1971-S Eisenhower Silver Dollar (Blue Ike)
A 40% silver uncirculated Eisenhower dollar from San Francisco, nicknamed the Blue Ike for the blue-tinted envelope the U.S. Mint used to package it for collectors.
United States
1838 Seated Liberty Quarter (No Drapery)
The first-year Seated Liberty quarter, the 1838 No Drapery issue introduced Christian Gobrecht's new design before a drapery fold was added at Liberty's elbow in 1840.
United States
1873-CC Seated Liberty Quarter (No Arrows)
One of the great rarities of the Seated Liberty quarter series, this tiny Carson City issue predates the mid-1873 arrows-at-date modification and survives in only a handful of known examples.
United States
British Silver Landmarks of Britain
A Royal Mint silver bullion series celebrating famous British landmarks, offering collectors a UK-themed alternative to the flagship Britannia coin.
Bullion
Gallienus Antoninianus
Radiate coin of Gallienus, who ruled through the depths of the Crisis of the Third Century and is especially known for a colorful late-reign series of animal and mythological reverse types.
Ancient
Akragas (Agrigentum) Eagle and Crab Tetradrachm
A silver tetradrachm from the wealthy Sicilian city of Akragas, pairing an eagle, symbol of Zeus, with a river crab representing the city's local waterways.
Ancient
Kroton Tripod Stater
A silver stater from the Greek colony of Kroton in southern Italy, depicting Apollo's sacred tripod, among the finest examples of the early incuse coinage style.
Ancient
Ptolemy I Soter Tetradrachm
A silver tetradrachm bearing the realistic portrait of Ptolemy I Soter, founder of the Ptolemaic dynasty of Egypt, whose eagle-on-thunderbolt reverse became the enduring badge of Ptolemaic coinage.
Ancient
Canadian Silver Maple Leaf
Canada's flagship one-ounce silver bullion coin, prized for its exceptionally high .9999 purity and evolving anti-counterfeiting security features.
Bullion
Western Satrap Silver Drachm
A silver drachm of the Western Satraps, Saka rulers of western India, easily identified by a crude Greek-style portrait obverse and a three-arched hill reverse.
Ancient
Chola Dynasty Gold Kahavanu
A gold coin of the powerful medieval South Indian Chola dynasty, typically bearing the dynastic tiger, fish, and bow emblem alongside a standing or seated royal figure.
Asian
Five Pound Gold (Quintuple Sovereign)
The largest standard gold coin in the British sovereign family, worth five pounds and equal to five sovereigns, struck intermittently since 1820 for commemorative and collector purposes.
British
Chinese Qing Dynasty Cash (Qian Long Tong Bao)
A brass cash coin issued during the long, prosperous reign of the Qianlong Emperor, one of the most commonly encountered Qing Dynasty coins in collections today.
Asian
Ottoman Gold Sultani
The principal gold trade coin of the early Ottoman Empire, struck to match the weight and fineness of the Venetian ducat so it could compete in Mediterranean commerce.
World
Byzantine Electrum Aspron Trachy (Scyphate)
A distinctive cup-shaped Byzantine coin struck in electrum after Alexios I Komnenos's currency reform, featuring religious imagery and a concave scyphate flan.
Ancient
Constantine CONSTANTINOPOLIS Commemorative
A small bronze commemorative celebrating the founding of Constantinople, showing Victory standing on a ship's prow on the reverse.
Ancient
Elis Olympia Zeus Stater
A silver stater struck by the city-state of Elis, guardian of the sanctuary of Olympia, showing Zeus on the obverse and his sacred eagle on the reverse.
Ancient
Ephesus Bee Tetradrachm
A silver coin from the Ionian city of Ephesus featuring a bee, sacred symbol of the great Temple of Artemis, paired with a stag on the reverse.
Ancient
Saudi Arabian Gold Guinea (Sovereign)
A gold coin issued by Saudi Arabia sized like the British sovereign, popularly called a guinea, historically important for Hajj pilgrims and gold-based savings rather than everyday circulation.
Asian
Classic Head Quarter Eagle
Struck from 1834 to 1839 after Congress reduced the gold weight of U.S. coins, this quarter eagle dropped the motto E PLURIBUS UNUM and features a simplified Liberty head.
United States