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

Japanese Bu / Ichibu-gin (silver bar coin)
Rectangular silver bar-shaped coin used as fixed-value currency in Tokugawa Japan, valued as a fraction of the gold ryo rather than by weight.
Asian
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
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
Canadian 2010 Vancouver Olympics Coins
The Royal Canadian Mint produced an extensive multi-year coin program for the Vancouver 2010 Winter Olympics, including innovative colorized and lenticular circulating quarters alongside premium silver and gold collector coins.
Commemorative
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
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
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
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
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
Spanish Peseta
The peseta was Spain's national currency for over 130 years, evolving from silver coinage under a provisional 19th-century government to copper-nickel coins used until the euro replaced it in 2002.
European
Reichsthaler
The standard large silver coin of the Holy Roman Empire and its constituent German states from the 16th century onward, whose name is the direct linguistic ancestor of the word 'dollar.'
European
1885 Trade Dollar
One of the rarest official United States coins, a proof-only issue struck years after the Trade dollar series had officially ended, with only a handful of examples known.
United States
Canadian Loonie
Canada's eleven-sided one dollar coin, introduced in 1987 with a common loon on the reverse, giving rise to its popular nickname.
Canadian
Norwegian Krone
The krone became Norway's national currency in 1875 upon joining the Scandinavian Monetary Union, and it has remained Norway's currency ever since, featuring the reigning monarch's portrait through the decades.
European
Swedish Krona
The krona has been Sweden's national currency since 1873, originally struck in silver as part of the Scandinavian Monetary Union and today issued in base metals bearing the reigning monarch's portrait.
European
Farthing
The smallest-value British bronze coin, worth a quarter of a penny, fondly remembered for its charming wren reverse design used from 1937 until its withdrawal.
British
Halfpenny
A small British bronze coin worth half a penny, best known in its twentieth-century form featuring Sir Francis Drake's ship the Golden Hind on the reverse.
British
Presidential Dollar - George Washington
The first coin in the U.S. Presidential Dollar series, honoring George Washington, notable for edge-lettering errors including the famous 'Godless Dollar' missing IN GOD WE TRUST.
United States
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
Panama Balboa Silver
Panama's dollar-sized silver crown, named for explorer Vasco Nunez de Balboa and pegged 1:1 to the US dollar throughout its history.
Latin American
Danish Krone
The krone has been Denmark's national currency unit since 1875, issued in silver historically and base metals today, consistently featuring the reigning Danish monarch's portrait or monogram.
European
Guatemala Quetzal Silver
Guatemala's modern national currency unit, named after the resplendent quetzal bird, introduced in the 1920s with a substantial silver coin marking the country's monetary modernization.
Latin American
Half Farthing
A tiny copper coin worth one-eighth of a penny, struck mainly for use in colonial Ceylon during the reigns of George IV, William IV, and Victoria.
British