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

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
1914-D Lincoln Cent
A famous key date in the Lincoln wheat cent series, prized for its low mintage from the Denver Mint and ranked among the most important dates collectors need to complete the series.
United States
1864 Two-Cent Piece
The debut year of the two-cent piece, the first US coin to bear the motto In God We Trust, issued in Small Motto and Large Motto varieties.
United States
Decimal New Penny
The UK's smallest decimal coin, introduced on Decimal Day, 15 February 1971, inscribed "NEW PENNY" until 1982.
British
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
Indian Head Eagle ($10)
A striking early 20th-century gold eagle designed by Augustus Saint-Gaudens as part of President Theodore Roosevelt's push to beautify American coinage.
United States
1867 Shield Nickel No Rays
The revised Shield Nickel design with the rays removed from between the reverse stars, introduced to solve die-breakage problems experienced with the original 1866 design.
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
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
Maximinus Thrax Denarius
Silver denarius of Maximinus Thrax, the first Roman emperor risen from the common soldiery rather than the senatorial class, ruling amid the onset of the Crisis of the Third Century.
Ancient
Liberty Head Eagle ($10)
A long-running 19th-century gold coin featuring Christian Gobrecht's Coronet Head design, minted at numerous branch mints across the expanding United States.
United States
1836 Gobrecht Dollar
The first-year Gobrecht dollar, famous for its seated Liberty obverse and flying eagle reverse, and for briefly including engraver Christian Gobrecht's name on the design.
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
1909-S Indian Head Cent
The final and lowest-mintage Indian Head cent, struck at the San Francisco Mint in the series' last year before the Lincoln cent debuted.
United States
Australian Penny (1930)
Regarded as the key date of Australian pre-decimal coinage, the 1930 penny is famous for an exceptionally small mintage during the Great Depression.
Africa & Oceania
1918/7-D Buffalo Nickel
One of the most famous overdate errors in United States coinage, showing 1918 struck over an earlier 1917 date on a Buffalo nickel die reused at the Denver Mint.
Errors & Varieties
1804 Draped Bust Dollar
One of the most famous rarities in American numismatics, a silver dollar dated 1804 but actually struck decades later, with only 15 known examples.
United States
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
United States
French 100 Francs Silver
France's pre-euro 100 Franc denomination included both a long-running silver Panthéon coin for collectors and numerous limited commemorative silver issues honoring people, events, and anniversaries.
European
1857 Flying Eagle Cent
The first-year circulation issue of the Flying Eagle Cent, marking the debut of the small-format cent that replaced the old large copper cent.
United States
1856 Flying Eagle Cent
An extremely rare pattern-like small cent struck to convince Congress to approve a new, smaller cent design, and one of the most desired key dates in U.S. coinage.
United States
1858 Flying Eagle Cent
The final year of the short-lived Flying Eagle Cent, struck in Large Letters and Small Letters varieties before the Indian Head design replaced it in 1859.
United States
1909-S VDB Lincoln Cent
The most famous key date in the Lincoln cent series, struck only briefly at the San Francisco Mint with designer Victor D. Brenner's initials on the reverse.
United States
1900 Lafayette Dollar
The first United States commemorative silver dollar, struck in 1900 to help fund a statue of the Marquis de Lafayette presented to France at the Paris Exposition.
Commemorative