Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
United States
1873 Doubled Die Two-Cent Piece
A doubled die variety from the final year of the short-lived two-cent piece, showing noticeable doubling in the date or lettering caused by a die hubbing misalignment.
Errors & Varieties
1971 Doubled Die Obverse Lincoln Cent
A doubled die obverse Lincoln cent from 1971 showing clear doubling in the date and lettering, one of several notable doubled die varieties struck during the early 1970s.
Errors & Varieties
1888/7 Morgan Dollar Overdate
A collector-recognized overdate die variety of the 1888 Morgan silver dollar, cataloged among the VAM series of Morgan dollar die varieties for specialists to pursue.
Errors & Varieties
1878 7/8 Tail Feathers Morgan Dollar
A famous first-year Morgan dollar variety showing an eagle with 7 tail feathers struck over an earlier 8-feather design, resulting from a mid-year design revision by chief engraver George T. Morgan.
Errors & Varieties
1942 Doubled Die Obverse Lincoln Cent
A doubled die obverse variety of the 1942 Lincoln cent showing visible doubling in the date and motto, caused by a misaligned hubbing impression during die preparation.
Errors & Varieties
1873 Open 3 vs Closed 3 Indian Head Cent
Two distinct date logotype varieties of the 1873 Indian Head cent, distinguished by whether the top loop of the final 3 in the date is nearly closed or clearly open.
Errors & Varieties
1936 Doubled Die Obverse Lincoln Cent
A collectible doubled die variety on the 1936 Lincoln wheat cent, known in a stronger, scarcer form and a weaker, more common form, both showing doubling in the obverse lettering.
Errors & Varieties
1995 Doubled Die Lincoln Cent
A widely collected doubled die variety showing clear doubling on LIBERTY and IN GOD WE TRUST on the obverse, notable for being far more available in circulation than earlier famous Lincoln cent doubled dies.
Errors & Varieties
1943/2-P Jefferson Nickel Overdate
A wartime Jefferson nickel overdate variety in which traces of an underlying 2 can be seen beneath the 3 in the date, created when a working die was re-hubbed with a different year's date.
Errors & Varieties
1851 Silver Three-Cent Piece
The first-year issue of the tiny Type I silver three-cent piece, nicknamed the trime, created to ease a national shortage of small change and postage-stamp coinage.
United States
1939-S Jefferson Nickel
A scarce San Francisco Jefferson Nickel from the early series, notable for being one of two tougher 1939 issues and for a well-known doubled-die reverse variety showing a doubled MONTICELLO.
United States
1934 Washington Quarter Doubled Die Obverse
An early doubled die variety from the second year of the Washington quarter series, showing doubling on the obverse and collected as part of specialized variety sets.
Errors & Varieties
1937 Washington Quarter Doubled Die Obverse
A well-known doubled die variety of the early Washington quarter series, showing visible doubling in the obverse lettering and date from a misaligned die hubbing.
Errors & Varieties
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
1873-CC Seated Liberty Dime (No Arrows)
An extraordinarily rare Carson City dime struck without the arrows-at-date design used later in 1873, famously known by a single surviving example.
United States
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
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
1802 Draped Bust Half Dime
One of the great rarities of early U.S. coinage, with an extremely small original mintage and only a handful of genuine survivors known today.
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
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
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