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

1983 Doubled Die Reverse Lincoln Cent
A notable doubled die variety showing bold doubling on the reverse lettering of the Lincoln Memorial cent, particularly visible on ONE CENT, from the first full year of the copper-plated zinc cent.
Errors & Varieties
1969-S Doubled Die Lincoln Cent
A rare and valuable San Francisco Mint doubled die error from 1969, showing strong hub doubling on the obverse date and lettering.
Errors & Varieties
1969-S Doubled Die Obverse Lincoln Cent
A famous and dramatic doubled die obverse Lincoln cent from the San Francisco Mint, showing strong, easily visible doubling and ranking among the most valuable Lincoln cent doubled die varieties.
Errors & Varieties
1955 Poor Man's Doubled Die Lincoln Cent
A more common, lower-value doubled die variety on the 1955 Lincoln cent, nicknamed the 'poor man's' version because it offers a similar doubled-image look to the famous 1955 Doubled Die Obverse at a fraction of the price.
Errors & Varieties
1960 Large Date over Small Date Lincoln Cent
A date-size variety of the 1960 Lincoln cent in which large and small date logotypes were both used during the year, with some pieces showing evidence of one date style impressed over the other.
Errors & Varieties
1944 Steel Cent
A rare Lincoln cent mistakenly struck on leftover steel planchets in 1944, the reverse counterpart to the famous 1943 bronze cent error.
Errors & Varieties
1974 Aluminum Cent
An extremely rare experimental pattern struck in aluminum as a potential replacement for the copper cent amid rising metal costs, almost none of which were legally released to the public.
Errors & Varieties
1943 Bronze Cent
An extremely rare Lincoln cent mistakenly struck in leftover bronze planchets in 1943, a year when cents were officially made of zinc-coated steel to save copper for World War II.
Errors & Varieties
1943 Steel Cent
A one-year-only zinc-coated steel cent struck to conserve copper for World War II ammunition and equipment production, easily recognized by its silvery color.
United States
Indian Head Cent
A long-running 19th-century one-cent coin depicting Liberty in a Native American-style feathered headdress, popular with collectors for its accessible half-century run.
United States
Draped Bust Half Cent
An early U.S. copper coin depicting a draped bust of Liberty, struck for everyday small change in the first decade of the 19th century.
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 Threepence (pre-decimal)
Small pre-decimal Australian silver coin worth three pence, popularly recognized for its bundled wheat-ear reverse design used across most of the 20th century.
Africa & Oceania
Bronze Indian Head Cent
The bronze-alloy Indian Head cent struck from 1864 through 1909, replacing the earlier copper-nickel version and serving as the last cent design before Lincoln's portrait appeared in 1909.
United States
Lincoln-Illinois Centennial Half Dollar
A 1918 U.S. commemorative half dollar marking Illinois's 100th anniversary of statehood, featuring a portrait of Abraham Lincoln.
Commemorative
Anglo-Saxon Silver Penny
The standard silver coin of Anglo-Saxon England from the 8th century to the Norman Conquest, naming the issuing king and the moneyer who struck it.
British
Leontini Lion Tetradrachm
Silver tetradrachm of the Sicilian city of Leontini, showing the laureate head of Apollo and a lion's head or lion with barley grains, alluding to the city's wheat production.
Ancient
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
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
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
Australian 50 Cent (round 1966 silver)
Australia's original round 50-cent coin from the 1966 decimal changeover, struck in 80% silver and withdrawn the same year once its bullion value exceeded face value.
Africa & Oceania
Philippine 50 Centavos (Commonwealth, 1936)
A special 1936 silver 50-centavo coin marking the establishment of the Commonwealth of the Philippines, issued in two paired-portrait varieties honoring Quezon alongside Murphy or Roosevelt.
Asian
1955 Jefferson Nickel Poor Man's Doubled Die
A minor doubled-die variety on the 1955 Jefferson Nickel's date, nicknamed the 'Poor Man's Doubled Die' as a more affordable alternative to the famous 1955 doubled-die Lincoln Cent.
Errors & Varieties
Carolingian Silver Denier (Charlemagne)
Standardized silver penny introduced under Charlemagne's monetary reform, forming the template for medieval European currency for centuries afterward.
European