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

Austrian 4 Ducat Gold
The Austrian 4 Ducat is a large, high-purity gold coin historically used for trade and hoarding, best known today through the officially restruck 1915-dated pieces still produced for the bullion market.
European
Austrian Gold Ducat
A traditional high-purity Austrian gold trade coin with centuries of history, still struck today by the Austrian Mint as an official restrike permanently dated 1915.
European
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
Austrian 100 Corona Gold
A large gold coin of Austria-Hungary bearing Emperor Franz Joseph I, popular today as a bullion and collector piece thanks to its restrike program.
European
Austrian 20 Corona Gold
A compact gold coin of the Austro-Hungarian Empire depicting Emperor Franz Joseph I, widely available today as an accessible historic gold piece.
European
Cuba 4 Pesos Gold Jose Marti
A small gold denomination from Cuba's early republican-era gold coinage, part of a 1915–1916 series (1 through 20 pesos) struck to circulate on par with US gold currency.
Latin American
Dutch Ducat
A small, nearly pure gold coin showing an armored knight, minted for centuries by the Dutch provinces and later the Kingdom of the Netherlands as a trusted international trade coin.
European
Dutch Silver Ducat
A historic Dutch trade silver coin first struck in 1659, depicting a standing knight, that has been minted continuously for centuries and remains a popular silver bullion and collector piece today.
European
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
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
German Hamburg Ducat
A small, exceptionally high-purity gold trade coin struck for centuries by the free city of Hamburg, prized for its consistent fineness and long production history.
European
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
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
Austrian Florin (Gulden)
The main silver coin of Austria-Hungary in the second half of the 19th century, used until the krone replaced it in the 1892 monetary reform.
European
French 40 Francs Gold (Napoleon)
An early gold coin of Napoleon Bonaparte as First Consul and later Emperor, struck under France's new decimal franc system.
European
Austrian Gold Philharmonic
Austria's popular gold bullion coin honoring the Vienna Philharmonic Orchestra, featuring the Musikverein's Great Organ and an array of orchestral instruments.
Bullion
Austrian Silver Philharmonic
Austria's modern one-ounce silver bullion coin, launched in 2008 as a companion to the long-running gold Philharmonic, featuring the instruments of the Vienna Philharmonic Orchestra.
Bullion
Austrian Corpus Christi Thaler
A devotional silver thaler struck by Austrian ecclesiastical authorities to mark the feast of Corpus Christi, blending religious procession imagery with the standard large-thaler format of the era.
European
Byzantine Follis
The large bronze workhorse coin of everyday Byzantine commerce, reformed by Emperor Anastasius I in 498 AD with a prominent Greek numeral denoting its value of 40 nummi.
Ancient
1942/1-D Mercury Dime Overdate
The Denver counterpart to the famous 1942/1 overdate, this Mercury Dime shows a doubled date from reused 1941 die-making equipment and is scarcer than the Philadelphia version.
Errors & Varieties
Quarter Farthing
The smallest fractional denomination in British coinage, worth one-sixteenth of a penny, struck primarily for use in colonial Ceylon during Victoria's reign.
British
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
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
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