Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
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
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
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
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
1943 Washington Quarter Doubled Die Obverse
A wartime-era doubled die variety of the Washington quarter showing clear doubling on obverse design elements, popular among collectors of Mint error and variety coins.
Errors & Varieties
1984 Los Angeles Olympics Commemorative Dollar
The second year of a two-year US commemorative coin program, this 1984-dated silver dollar helped fund the Los Angeles Olympic Games and featured Olympic-themed artwork struck at three US mints.
Commemorative
Two Pound Coin
The UK's bimetallic £2 coin, standardized for circulation in the late 1990s, widely used for a rotating series of commemorative reverse designs.
British
Napoleon 20 Franc Gold Coin
A historic French gold coin first struck under Napoleon Bonaparte in 1803, later issued under successive French governments and long used as a benchmark gold coin across Europe.
European
Omani Rial (Baisa Coinage)
Decimal currency of Oman introduced in 1970, dividing the rial into 1,000 baisa and typically featuring the Sultan's portrait and the national khanjar emblem.
Asian
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
Twenty Pence
A seven-sided UK coin introduced in 1982 to fill a gap between the ten pence and fifty pence denominations.
British
Vietnamese Gia Long Thong Bao (cash coin)
The founding cash coin of Vietnam's Nguyễn Dynasty, cast under Emperor Gia Long who reunified the country in 1802 and established Huế as the imperial capital.
Asian
Fifty Pence
The UK's distinctive seven-sided 50p coin, introduced in 1969 to replace the ten shilling note ahead of decimalisation.
British
Five Pound Gold (Quintuple Sovereign)
The largest standard gold coin in the British sovereign family, worth five pounds and equal to five sovereigns, struck intermittently since 1820 for commemorative and collector purposes.
British
Double Sovereign
A British gold coin worth two pounds, twice the value of the standard sovereign, struck intermittently since the nineteenth century for commemorative and bullion purposes.
British
Philip the Arab Antoninianus
Radiate coin of Philip the Arab, notable for celebrating Rome's 1,000th anniversary in 248 AD with a memorable series of animal-themed 'Saecular Games' reverse types.
Ancient
Kai Yuan Tong Bao Cash
A landmark Tang dynasty cash coin whose four-character reign-title inscription became the standard template for Chinese, and much of East Asian, coinage for the next 1,300 years.
Ancient
Panama-Pacific $50 Gold (Round)
A massive round commemorative gold piece struck for the 1915 Panama-Pacific International Exposition, one of the rarest and most valuable U.S. commemorative coins ever issued.
Commemorative
Half Guinea
Smaller companion gold coin to the guinea, worth half its value, struck across the same reigns from Charles II through George III for mid-value transactions.
British
Chervonets (Soviet Gold)
A Soviet gold coin depicting a peasant sower, originally struck in 1923 to stabilize the new Soviet currency and later restruck for decades as a bullion and trade coin.
European
Roosevelt Dime
Issued since 1946 in honor of Franklin D. Roosevelt, this dime is struck in 90% silver through 1964 and copper-nickel clad afterward, and remains in circulation today.
United States
Flowing Hair Half Dime
One of the earliest United States silver coins, the Flowing Hair Half Dime was struck only in 1794 and 1795 and is a landmark rarity for early American coinage collectors.
United States
Gold Half Sovereign
Smaller companion to the gold sovereign, struck since 1817 at half the weight and value, sharing the same monarch portraits and often the same St George reverse design.
British
Kennedy Half Dollar
A half dollar issued starting in 1964 to honor assassinated President John F. Kennedy, quickly becoming a widely saved and collected commemorative-style circulating coin.
United States