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

Austrian Corpus Christi Thaler
A devotional silver thaler struck by Austrian ecclesiastical authorities to mark the feast of Corpus Christi, blending religious procession imagery with the standard large-thaler format of the era.
European
Julius Caesar Elephant Denarius
One of the most widely recognized ancient Roman coins, struck under Julius Caesar's authority and depicting an elephant trampling a serpent, likely a symbolic image tied to Caesar's political struggles.
Ancient
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
Demetrios Poliorketes Nike Tetradrachm
A Hellenistic silver tetradrachm of Demetrios I of Macedon, celebrated for its obverse image of Nike standing on a ship's prow, commemorating his naval victory at Salamis in Cyprus.
Ancient
1944 Steel Lincoln Cent
A scarce transitional error in which a small number of 1944 cents were struck on leftover steel planchets after the Mint had already returned to bronze, the mirror-image counterpart to the famous 1943 copper cent.
Errors & Varieties
French Franc Germinal
Not a single coin but the bimetallic monetary standard fixed by Napoleon's 1803 law, defining the franc's silver and gold content for over a century.
European
Indian Head Gold Quarter Eagle ($2.50)
A small early 20th-century $2.50 gold coin notable for its incuse design and Native American war bonnet portrait, designed by sculptor Bela Lyon Pratt.
United States
Kushan Gold Dinar
Gold coin of the Kushan Empire modeled on the Roman aureus standard, notable for depicting a rich blend of Greek, Iranian, Indian, and Buddhist deities on its reverse.
Ancient
Nero Denarius
The silver coin of the notorious emperor Nero, whose AD 64 currency reform slightly reduced the denarius's silver content and weight, a step in the long history of Roman debasement.
Ancient
Caligula Sestertius
A large brass sestertius of the notorious emperor Caligula, a scarce and historically fascinating coin due to his short, controversial reign and later condemnation.
Ancient
Booker T. Washington Memorial Half Dollar
A commemorative half dollar honoring educator Booker T. Washington, notable as the first U.S. coin designed by an African American sculptor and the first to depict a Black American.
Commemorative
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
South African ZAR Kruger Pond
Gold pound-equivalent coin of the old South African Republic (Transvaal) under President Paul Kruger, notable for its wagon reverse and the rare 'single shaft' variety.
Africa & Oceania
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
1913 Barber Quarter
A lower-mintage date in the Barber Quarter series designed by Charles E. Barber, notable among collectors for the relatively small number struck at the Philadelphia Mint that year.
United States
Florin (Two Shillings)
A British silver coin worth two shillings, notable for the controversial 1849 'Godless Florin' that omitted the customary religious motto, and for foreshadowing decimal coinage.
British
Presidential Dollar - John Adams
The second coin in the U.S. Presidential Dollar series, honoring John Adams, also affected by a notable doubled and missing edge-lettering error alongside the Washington issue.
United States
Massachusetts Cent (1787-1788)
State-issued copper coinage struck by the Commonwealth of Massachusetts in 1787 and 1788, notable as the first official U.S. coinage to use the denomination 'cent'.
United States
George V Twenty-Five Cents (silver)
Canada's silver twenty-five-cent coin struck under King George V, a series notable for its famous 1921 key date and a rare 1936 emergency dot variety.
Canadian
Alabama Centennial Half Dollar
A 1921 U.S. commemorative half dollar for Alabama's statehood centennial, notable for depicting a living person and a scarcer '2X2' variety.
Commemorative
1892 Barber Half Dollar
First-year issue of Charles Barber's Liberty Head half dollar, with the 1892-O and 1892-S branch mint coins notably scarcer than the Philadelphia strike.
United States
1979 Susan B. Anthony Dollar
The first year of the Susan B. Anthony dollar, the first U.S. circulating coin to depict a real, named woman, notable for the scarce 1979-P wide-rim (Near Date) variety.
United States
Selinus (Selinunte) River God Tetradrachm
Silver coinage of the Sicilian city of Selinus, notable for depicting the local river god sacrificing at an altar, along with the celery leaf that puns on the city's name.
Ancient
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