Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
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
1933 Double Eagle
One of the rarest and most legally contested U.S. coins, struck but never officially released for circulation after the nation left the gold standard; a single example sold for over $18 million.
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
1894-S Barber Dime
One of the most famous rarities in American numismatics, struck in an extremely limited quantity at the San Francisco Mint with only a small number known today.
United States
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
United Arab Emirates Dirham
Federal currency introduced in 1973 after the formation of the UAE, unifying the emirates' varied prior currencies into a single dirham divided into 100 fils.
Asian
1880 Shield Nickel
A major key date of the Shield Nickel series with an extremely low business-strike mintage, making genuine circulated examples much scarcer than the coin's proofs.
United States
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
1892 Barber Quarter
The first-year issue of the Barber quarter series, introducing Charles Barber's new Liberty Head design after the retirement of the earlier Seated Liberty quarter.
United States
1913 Barber Quarter
A lower-mintage date in the Barber Quarter series designed by Charles E. Barber, notable among collectors for the relatively small number struck at the Philadelphia Mint that year.
United States
1796 Draped Bust Dime
The very first dime struck by the United States Mint, featuring the Draped Bust design with a small eagle reverse and no stated denomination.
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
Decimal New Penny
The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.
British
1822 Capped Bust Dime
A scarce, low-mintage date within the Capped Bust dime series, considered a key date for collectors assembling this early 19th-century type.
United States
1949-S Roosevelt Dime
A relatively low-mintage early Roosevelt dime from San Francisco, considered a semi-key date that is scarce in fully struck mint condition.
United States
1996-W Roosevelt Dime
A special anniversary-issue dime struck at West Point and included only in 1996 Uncirculated Mint Sets, never released for general circulation.
United States
1901-S Barber Quarter
The single rarest business-strike coin in the Barber quarter series, with an extremely small San Francisco mintage that makes even heavily worn examples valuable.
United States
Cartwheel Penny (1797)
A massive, one-ounce copper penny struck in 1797 by Matthew Boulton's Soho Mint, nicknamed the Cartwheel Penny for its thick raised rim resembling a cart's wheel and axle.
British
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
1913-S Barber Quarter
A famous low-mintage key date near the end of the Barber quarter series, prized by collectors despite its worn survivors due to its very small original production.
United States
1896-S Barber Quarter
One of the three classic key dates of the Barber quarter series, valued for its low original mintage and the difficulty of finding problem-free survivors.
United States
1967 Centennial Gold $20 Coin
A gold $20 coin struck to mark the 100th anniversary of Canadian Confederation in 1967, sold mainly to collectors as part of the country's centennial commemorative coinage.
Commemorative