Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Indian Head Gold Quarter Eagle ($2.50)
A small early 20th-century $2.50 gold coin notable for its incuse design and Native American war bonnet portrait, designed by sculptor Bela Lyon Pratt.
United States
Netherlands East Indies VOC Duit
Copper coin struck by the Dutch East India Company (VOC) for circulation in its Asian trading territories, a common relic of 18th-century colonial commerce.
Asian
Sumatra EIC Keping (British Bencoolen)
A small tin or copper coin struck by the British East India Company for its Bencoolen settlement on Sumatra, denominated in the local unit called the keping.
Asian
Ceylon (Sri Lanka) EIC Rixdollar
A colonial currency unit continued by the British East India Company administration in Ceylon, inherited from earlier Dutch VOC rule and featuring an elephant design.
Asian
Chinese Ban Liang Cash
China's first standardized round coin with a square center hole, introduced under Qin Shi Huang to unify currency across the newly consolidated Chinese empire.
Ancient
Native American Dollar (Sacagawea Reverse Series)
A continuation of the Sacagawea dollar with an annually changing reverse honoring Native American history and culture, while keeping Sacagawea's portrait on the obverse.
United States
1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
Gupta Empire Gold Dinar
Richly detailed gold coins of India's classical Gupta Empire, depicting kings as archers, horsemen, or lyrists, and often paired with a goddess on the reverse.
Ancient
Delhi Sultanate Silver Tanka
The standard silver coin of the medieval Delhi Sultanate, bearing Arabic inscriptions naming the ruling sultan, and a forerunner of later Indian silver denominations.
Asian
Mughal Silver Rupee (Akbar)
A silver rupee struck under Emperor Akbar, who standardized the denomination's weight and calligraphic design, establishing a coin type that shaped Indian currency for centuries.
Asian
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
Mughal Gold Mohur
The premier gold coin of the Mughal Empire, prized for its bold Persian calligraphy, occasional portraiture, and the wealth and artistry of Mughal court culture.
Asian
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
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
Byzantine Gold Solidus
The gold standard coin of the Byzantine Empire for over 700 years, prized in medieval trade as far away as India and Scandinavia under the nickname "bezant."
Ancient
Guptas 'Horseman' Silver Coin
Silver coin of the Gupta Empire showing the king on horseback, struck after Gupta conquest of western India in imitation of earlier Western Kshatrapa silver coinage.
Ancient
Armenian Silver Noah's Ark
A biblically themed silver bullion coin issued by the Central Bank of Armenia, referencing Mount Ararat's traditional association with Noah's Ark.
World
Buffalo Nickel
Beloved American five-cent coin featuring a Native American portrait and an American bison, designed by James Earle Fraser and celebrated for its distinctly American imagery.
United States
Netherlands 10 Gulden Gold (Wilhelmina)
The gold 10 Gulden coin featuring Queen Wilhelmina was the Netherlands' standard gold circulation and reserve coin in the early 20th century, later restruck as a recognized gold bullion piece.
European
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
Brazilian 20000 Reis Gold
The highest-value gold coin of the Empire of Brazil, struck intermittently under Emperor Pedro II to support the country's monetary reserves and international trade.
Latin American
Nguyen Dynasty Gold Bar (Vietnam)
Imperial Vietnamese gold ingot from the Nguyen Dynasty, used for treasury reserves, tribute, and high-value transactions rather than everyday commerce.
Asian
Three-Dollar Gold Piece
An unusual and short-lived gold denomination created partly to simplify buying sheets of three-cent postage stamps, now a favorite oddity among gold coin collectors.
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