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
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
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
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
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
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
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
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
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
1895 Morgan Dollar (King of Morgans)
A legendary Morgan Dollar key date struck only in proof format at Philadelphia, nicknamed the 'King of Morgans' for its extreme rarity within 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
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
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
1885 Liberty Head V Nickel
The key date of the Liberty Head V Nickel series, struck in one of the lowest mintages of the run and highly sought after to complete a date set.
United States
Somali Elephant Gold
The gold version of Somalia's popular African Wildlife elephant coin series, produced by the Bavarian State Mint with a design refreshed nearly every year.
Bullion
Australian Silver Kangaroo
Perth Mint's annually redesigned silver bullion coin featuring a different kangaroo motif each year, popular alongside the Gold Kangaroo series.
Bullion
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
1856-S Seated Liberty Quarter
A scarcer San Francisco-minted date in the Seated Liberty quarter series, struck in the mint's early years and prized by collectors, especially in higher grades.
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
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
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