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

Two Guinea (Double Guinea)
A substantial gold coin worth two guineas, struck intermittently from the reign of Charles II through George II as part of England and Great Britain's early guinea coinage system.
British
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
Nerva Denarius
Silver denarius of the elderly senator Nerva, first of Rome's "Five Good Emperors," whose brief reign is best remembered for adopting Trajan as his successor.
Ancient
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 Mercury Dime
A key date of the Mercury dime series, struck in unusually low numbers amid a post-World War I economic slowdown that reduced coinage demand nationwide.
United States
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
1893-S Morgan Dollar
The undisputed key date of the Morgan dollar series, struck at San Francisco with the lowest mintage of any regular-issue Morgan, roughly 100,000 coins.
United States
1804 Draped Bust Dime
A scarce early dime featuring the Draped Bust obverse and Heraldic Eagle reverse, struck in very limited numbers and prized as a key date of the series.
United States
Vespasian Denarius
The silver coin of Emperor Vespasian, founder of the Flavian dynasty, notably including the famous 'Judaea Capta' series commemorating Rome's suppression of the Jewish revolt.
Ancient
Seated Liberty Dime
Struck for over five decades, the Seated Liberty Dime features Christian Gobrecht's seated figure of Liberty and includes many collectible date, mint, and arrows/rays varieties.
United States
1839 Gobrecht Dollar
The final-year Gobrecht dollar, bridging the earlier pattern strikes of 1836-1838 and the full-scale Seated Liberty dollar series that followed in 1840.
United States
1901-S Barber Dime
A scarce San Francisco Mint Barber dime with a notably low mintage, ranked among the tougher dates for collectors of the series.
United States
1938-D Buffalo Nickel
The final year of the Buffalo Nickel series, the 1938-D was widely saved by the public at the time and remains a popular, affordable last-year issue for collectors.
United States
1921-D Mercury Dime
A key-date silver dime from a post-WWI recession year when Denver struck only a small number of Mercury dimes, making it a cornerstone of the series.
United States
1895-O Barber Dime
The key date of the Barber dime series, struck in unusually small numbers at the New Orleans Mint and scarce in every grade of preservation.
United States
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
1916-D Mercury Dime
The key date of the Mercury Dime series, the 1916-D was struck at Denver in a very low quantity, making genuine examples scarce and highly sought after by collectors.
United States
Barber Half Dollar
A 90% silver half dollar (1892-1915) with a right-facing Liberty head designed by Charles E. Barber, part of a matching Barber dime, quarter, and half dollar series.
United States
1804 Draped Bust Eagle
The final date of the original ten-dollar gold eagle series before a 33-year production halt, later followed by a small number of 1834 diplomatic-gift restrikes made using a similarly dated die.
United States
1950-D Jefferson Nickel
The lowest-mintage business-strike Jefferson Nickel of the entire series, widely hoarded in rolls even as it was released, earning it the nickname the 'King of Jefferson Nickels.'
United States
1939-D Jefferson Nickel
A scarce early Denver-mint Jefferson Nickel with one of the lowest mintages of the pre-war series, considered a semi-key date for collectors building a complete set.
United States
Isle of Man Angel Gold Coin
The Isle of Man Angel is a modern gold bullion coin series depicting the archangel Michael slaying a dragon, struck by the Pobjoy Mint under license from the Isle of Man government since the 1980s.
Bullion
1914-D Lincoln Wheat Cent
A famous key-date Lincoln cent struck at the Denver Mint in 1914 in a comparatively low quantity, making it one of the most sought-after dates in the series.
United States
Crown
Large British coin traditionally worth five shillings, historically struck in silver and famed for elaborate designs, now issued mainly as a cupro-nickel commemorative.
British