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

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
Cook Islands Colored Silver Coins
A broad category of colorful commemorative silver coins issued under the sovereignty of the Cook Islands, covering religious, historical, and pop-culture themes aimed at collectors worldwide.
Africa & Oceania
Japanese Bunkyu Eiho (cash coin)
A late Edo-period Japanese cash coin worth 4 mon, larger than the common Kan'ei Tsūhō, issued in the final years of the Tokugawa Shogunate to help ease chronic small-coin shortages.
Asian
Chinese Song Dynasty Cash Coin
A round bronze coin with a square center hole issued during China's Song Dynasty, among the most massively produced and commonly collected pre-modern Chinese coin types.
Asian
Chinese Spade Money (Bu Coin)
An early Chinese bronze currency shaped like a miniature farming spade, used across several competing Zhou-era states before round coinage became standardized.
Asian
Japanese 1 Yen Silver Coin
Japan's principal large silver coin of the Meiji era, featuring a coiled dragon, that became a major East Asian trade coin and a symbol of Japan's rapid currency modernization.
Asian
New Zealand Lord of the Rings Coins (2003)
New Zealand issued legal-tender coins featuring characters and scenes from Peter Jackson's Lord of the Rings film trilogy, celebrating the films' production in the country with both a circulating dollar and premium collector coins.
Commemorative
1976 Montreal Olympics Silver Coin Series
A landmark seven-series program of sterling silver $5 and $10 coins issued by Canada to help finance and celebrate the 1976 Montreal Summer Olympics.
Commemorative
1921 Fifty Cents (King of Canadian Coins)
Canada's most famous rarity, the 1921 fifty-cent piece survives in only a small number of known examples after most of its mintage was melted, earning it the nickname King of Canadian Coins.
Canadian
South African Mandela R5 Coin
South African circulating commemorative five-rand coin honoring Nelson Mandela, first issued for his 90th birthday in 2008 and again for his birth centenary in 2018.
Commemorative
Half Guinea
Smaller companion gold coin to the guinea, worth half its value, struck across the same reigns from Charles II through George III for mid-value transactions.
British
British Britannia
The United Kingdom's official gold and silver bullion coin, featuring the classical helmeted figure of Britannia, issued by the Royal Mint since 1987.
Bullion
Vietnamese Gia Long Thong Bao (cash coin)
The founding cash coin of Vietnam's Nguyễn Dynasty, cast under Emperor Gia Long who reunified the country in 1802 and established Huế as the imperial capital.
Asian
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
Vietnamese Tu Duc Thong Bao (cash coin)
A cast bronze or zinc cash coin issued under Emperor Tự Đức of Vietnam's Nguyễn Dynasty, round with a square center hole in the traditional East Asian style.
Asian
Japanese Mon (Kan'ei Tsuho cash coin)
Long-running cast copper or iron cash coin of Edo-period Japan, inscribed 'Kan'ei Tsuho' and produced continuously for well over two centuries.
Asian
Korean Sang Pyong Tong Bo (Mun cash coin)
Traditional Korean cast cash coin with a square center hole, issued for over two centuries during the Joseon Dynasty and carrying the inscription 'Everlasting Circulating Treasure.'
Asian
Crown of the Double Rose
A gold coin introduced by Henry VIII in 1526 as part of his coinage reform, named for the crowned Tudor double rose on its reverse.
British
Swiss 20 Franc Vreneli
Switzerland's classic gold franc coin, depicting a young Swiss woman nicknamed Vreneli on the obverse and the Swiss shield on the reverse, a favorite of gold savers for over a century.
European
Aureus of Augustus
The gold coin of Rome's first emperor, Augustus, who standardized the aureus at roughly 1/40 of a Roman pound and set the gold standard for the empire.
Ancient
Guinea
Historic British gold coin named for the West African region that supplied much of its gold, valued at 21 shillings for most of its history and predecessor to the modern sovereign.
British
Aureus of Nero
The gold coin of Emperor Nero, whose AD 64 monetary reform reduced the aureus's weight standard alongside similar changes to the silver denarius.
Ancient
Florentine Florin
Introduced in 1252, the gold florin of Florence became medieval Europe's leading trade coin, its lily emblem and fixed gold standard copied by dozens of other mints.
European
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British