Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
1877 Shield Nickel (Proof Only)
A major Shield Nickel rarity struck exclusively as proof coinage for collectors, with no business strikes produced for circulation that year.
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
1883 No Cents Liberty Head Nickel
The first-year Liberty Head Nickel design that omitted the word CENTS from the reverse, later infamous as the 'Racketeer Nickel' after being gold-plated and passed off as a five-dollar coin.
United States
1912-S Liberty Head Nickel
The only Liberty Head V Nickel struck at the San Francisco Mint and the lowest-mintage business strike of the entire series, making it a major key date.
United States
1919-D Standing Liberty Quarter
A semi-key Denver-minted Standing Liberty quarter, scarcer than common dates of the series and notably difficult to find with a fully struck head.
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
1927-S Standing Liberty Quarter
A key date of the Standing Liberty quarter series, struck in relatively low numbers at San Francisco and notoriously difficult to find with a fully struck head.
United States
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
United States
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
1878 Twenty-Cent Piece (Proof)
The final-year proof-only issue of the US twenty-cent piece, struck for collectors just before Congress formally ended the short-lived denomination.
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
1877 Twenty-Cent Piece (Proof)
A proof-only issue of the twenty-cent piece, struck for collectors after the denomination had already been abandoned for regular circulation.
United States
1875-CC Twenty-Cent Piece
A Carson City strike of the short-lived US twenty-cent piece, valued both for its unusual denomination and its Wild West mint origin.
United States
1932-D Washington Quarter
The key date of the Washington quarter series, struck in Denver during the depths of the Great Depression with a very low mintage.
United States
1968 No S Proof Roosevelt Dime
The first of the famous 'No S' proof Roosevelt dime errors, struck at San Francisco without its mintmark; scarce but more available than later No S dimes.
Errors & Varieties
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
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
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
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
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
1942/1 Mercury Dime Overdate
A famous overdate error, this Philadelphia Mercury Dime shows remnants of a 1941 digit beneath the 1942 date, created when an old die hub was reused by mistake.
Errors & Varieties
1942/1-D Mercury Dime Overdate
The Denver counterpart to the famous 1942/1 overdate, this Mercury Dime shows a doubled date from reused 1941 die-making equipment and is scarcer than the Philadelphia version.
Errors & Varieties
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
1937-D Three-Legged Buffalo Nickel
One of the most famous U.S. mint errors, this Denver-struck Buffalo Nickel variety shows the bison missing its front leg after a Mint worker over-polished a damaged die.
Errors & Varieties