Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1846 Seated Liberty Dime
A famously low-mintage Seated Liberty dime, considered one of the key dates of the entire series and scarce in any collectible grade.
United States
1878 Shield Nickel (Proof Only)
Another proof-only rarity in the Shield Nickel series, struck exclusively for collectors with no business-strike coinage issued for circulation that year.
United States
1932-S Washington Quarter
One of the two key dates of the Washington quarter series, struck at San Francisco in the design's debut year with a very limited mintage.
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
Caracalla Antoninianus
The first antoninianus coins, introduced by Caracalla in 215 AD as a debased double-denarius identified by the emperor's radiate crown.
Ancient
1921 Walking Liberty Half Dollar
The three 1921 mintmark varieties are the acknowledged key dates of the Walking Liberty half dollar series, each struck in unusually small numbers.
United States
1921 Standing Liberty Quarter
A low-mintage key date of the Standing Liberty quarter series struck only at Philadelphia, valued for its scarcity across all grades.
United States
American Gold Buffalo
The first 24-karat gold coin struck by the U.S. Mint, adapting James Earle Fraser's classic Buffalo Nickel design for a modern bullion product.
Bullion
1936 Voyageur Silver Dollar
The first regular-issue (non-commemorative) Canadian silver dollar, continuing the Voyageur canoe design introduced the previous year for George V's Silver Jubilee.
Canadian
Kroisos (Croeseid) Gold Stater of Lydia
A pure gold stater struck under King Croesus of Lydia, part of history's first coinage issued in separate fixed-purity gold and silver denominations.
Ancient
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
1794 Flowing Hair Half Dollar
The first half dollar ever struck by the United States Mint, produced in tiny numbers and ranking among the most desirable early American silver coins.
United States
1999 Delaware State Quarter
The debut coin of the U.S. Mint's 50 State Quarters Program, honoring Delaware as the first state to ratify the Constitution, featuring Caesar Rodney's historic ride.
Commemorative
1796 Draped Bust Half Dime
An early, low-mintage silver half dime from the first U.S. Mint, featuring Robert Scot's Draped Bust obverse and a small eagle reverse.
United States
Turban Head Eagle
The first U.S. $10 gold coin, struck 1795-1804 and nicknamed 'Turban Head' for Liberty's cap-like headdress; the earliest examples pair her portrait with a small, spread-winged eagle.
United States
Draped Bust Eagle
The formal catalog name for the first U.S. ten-dollar gold coin once it adopted a bold heraldic eagle reverse in 1797, the same coin popularly nicknamed the 'Turban Head' eagle.
United States
1923-S Standing Liberty Quarter
A scarce San Francisco key date of the Standing Liberty quarter series, valuable in all grades and especially rare with a fully struck head.
United States
1858 Seated Liberty Quarter
A comparatively plentiful mid-series No Motto Seated Liberty quarter, popular as an affordable entry point for collectors seeking a representative example of the type.
United States
Gold Britannia
The United Kingdom's premier gold bullion coin series, launched in 1987, featuring Britannia on the reverse and available in one-ounce and fractional weights.
Bullion
1949-S Franklin Half Dollar
A relatively low-mintage San Francisco Franklin half often cited among the tougher dates of the series, especially with a full, sharp strike.
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 Gold Sovereign (Sydney Mint)
Gold sovereign struck at the Sydney Mint, Australia's first branch mint, opened to coin gold from the New South Wales gold rushes into imperial currency.
Africa & Oceania
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
1987 Loon Dollar (Aureate)
Canada's first modern circulating dollar coin, introduced in 1987 to replace the paper dollar bill and nicknamed "the Loonie" after the common loon depicted on its reverse.
Canadian