Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Republican Quinarius
A half-denarius silver coin of the Roman Republic, often depicting the twin gods Castor and Pollux (the Dioscuri) riding on horseback.
Ancient
Roman Republic Denarius
The workhorse silver coin of the Roman Republic, introduced during the Second Punic War and struck by a long line of moneyers with ever-changing, often political, designs.
Ancient
South African Republic Burgers Pond
The first coin struck for an independent South African state, issued in 1874 under President Thomas Burgers of the Transvaal, famous for its 'coarse beard' and 'fine beard' portrait varieties.
Africa & Oceania
Portuguese 1000 Reis
A large silver crown of the Kingdom of Portugal, bearing the reigning monarch's portrait and national arms, serving as the country's principal high-value silver coin before the 1910 republic.
European
Ides of March Denarius (EID MAR)
A denarius struck by Brutus in 42 BC commemorating Julius Caesar's assassination, showing daggers and a liberty cap — one of the most famous and valuable ancient coins ever made.
Ancient
Sun Yat-sen Memorial Dollar (Junk Dollar)
A Republic of China silver dollar honoring founding father Sun Yat-sen, nicknamed the junk dollar for its reverse image of a traditional Chinese sailing ship, a widely collected 1930s Chinese coin.
Asian
Sun Yat-sen 'Memento' 1 Dollar (1927)
Silver dollar bearing the portrait of Sun Yat-sen, struck to commemorate the founding of the Republic of China and widely circulated under the Nationalist government.
Asian
Colombia 8 Reales
Silver 8 reales struck first under Spanish colonial rule in New Granada and later, after independence, in the name of the new Colombian republic.
Latin American
2021 Tuskegee Airmen America the Beautiful Quarter
A 2021 America the Beautiful Quarter honoring the Tuskegee Airmen, the pioneering African American military pilots of World War II, at their Alabama training site.
United States
2010 Hot Springs America the Beautiful Quarter
The first coin in the America the Beautiful Quarters series, honoring Hot Springs National Park in Arkansas with an image of its historic bathhouse row.
United States
Mexican 8 Reales Cap and Rays
The classic silver dollar of independent Mexico, showing a radiant Phrygian liberty cap over mountains, widely trusted and traded across the Americas and Asia for most of the 19th century.
Latin American
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
Brutus EID MAR Denarius
One of the most famous coins in existence, issued by Julius Caesar's assassin Brutus to commemorate the Ides of March, showing two daggers flanking a cap of liberty.
Ancient
Sun Yat-sen Junk Dollar
A Republic of China silver dollar depicting Sun Yat-sen and a traditional sailing junk, with the scarcer 1934 variety showing three birds overhead that is highly sought by collectors.
Asian
Yuan Shikai 'Fatman' Dollar (1914)
A widely produced Republic of China silver dollar bearing the portrait of President Yuan Shikai, nicknamed the fat man dollar for his portly likeness, one of the most common historic Chinese silver coins.
Asian
Julius Caesar Portrait Denarius
A landmark Roman coin struck in 44 BC bearing the portrait of Julius Caesar during his lifetime, the first time a living Roman had appeared on state coinage.
Ancient
Mark Antony Legionary Denarius
A widely produced denarius struck by Mark Antony to pay his legions before the Battle of Actium, each type naming a specific Roman legion on the reverse.
Ancient
Yuan Shih-kai Dollar ("Fat Man Dollar")
A widely circulated Republic of China silver dollar bearing the portrait of President Yuan Shikai, nicknamed the "Fat Man Dollar" for his rounded features and became China's standard silver coin for years.
Asian
Venetian Ducat
Gold coin first struck by the Republic of Venice in 1284, prized for its remarkably consistent weight and purity, which made it a dominant trade coin across medieval and Renaissance Europe.
European
Chinese Auto Dollar (Kweichow, 1928)
Famous Chinese provincial silver dollar depicting an automobile, struck in Kweichow province in 1928 and celebrated by collectors as one of the most distinctive Chinese coin designs.
Asian
New Zealand Half Crown (pre-decimal)
The largest denomination in New Zealand's regular pre-decimal coin series, featuring the national coat of arms, circulated from 1933 until decimalization in 1967.
Africa & Oceania
Venetian Gold Ducat
First struck in 1284, the Venetian gold ducat became medieval Europe's most trusted trade coin, prized for centuries for its unwavering weight and purity.
European
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
German Saxony Ducat
A high-purity gold trade coin struck for centuries by the rulers of Saxony, one of the most important German states before national unification.
European