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

Mexican 8 Reales Pillar Dollar
Minted in colonial Mexico City from 1732 to the early 1770s, the pillar dollar's crowned globes and Pillars of Hercules design made it one of the most widely trusted silver trade coins in the world.
Latin American
Japanese Kan'ei Tsuho Cash
The workhorse cash coin of Edo-period Japan, cast continuously from 1636 for over two centuries with a square hole and simple four-character legend.
Asian
Ottoman Silver Akce
A tiny silver coin that served as the basic everyday currency unit of the Ottoman Empire for centuries, gradually shrinking in size and silver content as inflation took hold.
World
Spanish 4 Reales
A mid-value denomination of Spain's traditional real-based coinage, struck for centuries in both Spain and its American colonies.
European
Abbasid Gold Dinar
The standard gold coin of the Abbasid Caliphate centered on Baghdad, inscribed entirely in Arabic script and struck for roughly five centuries across a vast Islamic empire.
World
Chinese Tang Dynasty Cash
The influential bronze cash coin introduced in the Tang Dynasty, inscribed "Kai Yuan Tong Bao," that established the round-with-square-hole design copied for over a thousand years.
Asian
2 Euro Coin
The highest-denomination circulating euro coin, with a silver-colored center inside a gold-colored ring, widely used by member states to issue popular commemorative designs collected across Europe.
European
Colombian 8 Escudos Gold (Popayán)
A large colonial gold doubloon struck at the historic Popayán mint in present-day Colombia, prized by collectors as one of the classic Spanish colonial gold coins of South America.
Latin American
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
Argentina 8 Reales
Silver 8 reales struck after Argentina's 1810 independence movement, replacing the Spanish king's portrait with the revolutionary Sun of May and clasped hands design.
Latin American
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
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
Colombian 8 Reales (Nueva Granada)
The classic Spanish colonial "piece of eight" struck at the mints of Bogotá and Popayán, continuing in modified form after Colombian independence before decimal reform.
Latin American
Austrian Thaler (Joseph II)
A silver thaler bearing the portrait of Holy Roman Emperor Joseph II, struck in the late 18th century and, like the more famous Maria Theresa thaler, later restruck for use in Levant and African trade.
European
George V Fifty Cents
Canada's fifty-cent silver coin issued under King George V, spanning a reduction in silver fineness in 1920 and including the famously rare 1921 date.
Canadian
George V Ten Cents
Canada's silver ten-cent coin struck throughout the long reign of King George V, spanning the First World War era through to the mid-1930s.
Canadian