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
1967 Centennial Silver Dollar (Goose)
A one-year commemorative Canadian silver dollar struck for the 1967 Centennial of Confederation, its reverse depicting a Canada goose in flight, designed by Alex Colville.
Canadian
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
1842-O Small Date Seated Liberty Quarter
A famous condition and date rarity of the Seated Liberty series, struck at New Orleans from leftover small-date dies originally prepared for Philadelphia proof coinage.
United States
Hong Kong Silver Dollar (1866–1868, Victoria)
A short-lived silver dollar struck at Britain's ill-fated Hong Kong Mint, bearing a young portrait of Queen Victoria; the mint closed within two years.
Asian
1937 Doubled Die Obverse Buffalo Nickel
A doubled die variety of the 1937 Buffalo nickel showing visible doubling in the obverse date and lettering, collected alongside other notable varieties from the final years of the Buffalo nickel series.
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
1958 British Columbia Totem Pole Dollar
A commemorative Canadian silver dollar marking the centennial of the founding of the Colony of British Columbia in 1858, its reverse featuring a totem pole design.
Canadian
1873-CC Seated Liberty Quarter (No Arrows)
One of the great rarities of the Seated Liberty quarter series, this tiny Carson City issue predates the mid-1873 arrows-at-date modification and survives in only a handful of known examples.
United States
1964 Charlottetown-Quebec Silver Dollar
A commemorative Canadian silver dollar marking the centennial of the 1864 Charlottetown and Quebec Conferences that laid the groundwork for Canadian Confederation.
Canadian
1799/8 Draped Bust Silver Dollar Overdate
A prized die variety of the Draped Bust silver dollar where an 1799 obverse die was punched over a leftover 1798 date, leaving overlapping digits visible under magnification.
Errors & Varieties
1950-D/S Washington Quarter Overmintmark
A famous mid-century mintmark error where a Denver quarter die was first punched with an S mintmark and then re-punched with a D, leaving traces of both letters visible.
Errors & Varieties
1976 Montreal Olympics Silver Coin Series
A landmark seven-series program of sterling silver $5 and $10 coins issued by Canada to help finance and celebrate the 1976 Montreal Summer Olympics.
Commemorative
1950-S/D Washington Quarter Overmintmark
A 1950 San Francisco Washington quarter struck from a die where an S mintmark was punched over a leftover D, creating one of the best-known overmintmark errors in the series.
Errors & Varieties
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
1943-P/D Jefferson Nickel Doubled Mintmark
A wartime Jefferson nickel variety showing evidence of a doubled or repunched mint mark, with traces suggesting a D was punched before being corrected to a P, or vice versa, above Monticello on the reverse.
Errors & Varieties
1918/7-S Standing Liberty Quarter Overdate
One of the most famous overdate varieties in U.S. coinage, where a leftover 1917 die was re-punched with an 1918 date, leaving remnants of the 7 visible beneath the 8.
Errors & Varieties
1970-S Washington Quarter Proof on 1941 Canadian Quarter
One of the most famous US mint errors: a 1970-S proof Washington quarter accidentally struck over a leftover silver 1941 Canadian quarter planchet at the San Francisco Mint.
Errors & Varieties
1853 Seated Liberty Quarter (Arrows and Rays)
A popular one-year Seated Liberty type marked by arrows at the date and rays around the eagle, signaling a reduction in the coin's silver weight mandated by the Coinage Act of 1853.
United States
1939 Royal Visit Silver Dollar (Parliament)
A commemorative Canadian silver dollar marking the 1939 royal tour of King George VI and Queen Elizabeth, with the Parliament Buildings depicted on the reverse.
Canadian
Isle of Man Angel Gold Coin
The Isle of Man Angel is a modern gold bullion coin series depicting the archangel Michael slaying a dragon, struck by the Pobjoy Mint under license from the Isle of Man government since the 1980s.
Bullion
Korean 1 Yang Silver (Joseon/Great Han Empire)
Silver 1 Yang coin from Korea's late Joseon currency reform of the 1890s, part of the kingdom's first modern, machine-struck decimal coinage.
Asian
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