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

New Zealand Waitangi Crown (1935)
Rare 1935 New Zealand silver crown depicting the meeting between Governor Hobson and Maori chiefs, one of the most valuable coins in British Commonwealth crown collecting.
Africa & Oceania
Persian Sassanid Silver Drachm
The standard silver coin of the Sasanian Persian Empire, showing an elaborately crowned royal bust and a Zoroastrian fire altar with attendants, struck for over four centuries.
Ancient
Somalia Elephant Silver Coin
A popular annually-redesigned bullion coin issued in the name of Somalia depicting an African elephant, part of a broader African Wildlife series struck by a German mint.
Africa & Oceania
German Empire 5 Mark
A large silver crown of Imperial Germany bearing the portrait or arms of individual constituent states, unified under a common eagle reverse after German unification in 1871.
European
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
1888/7 Indian Head Cent Overdate
A scarce overdate variety of the Indian Head cent in which traces of an underlying 7 are visible beneath the final 8 in the 1888 date, from a working die repunched with a new year.
Errors & Varieties
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
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
Guatemala 8 Reales
A silver piece of eight struck at the Guatemala City mint, first under Spanish colonial rule and later continued through the Central American Federation and independent Guatemala.
Latin American
Tibetan Silver Tangka
The traditional silver coin denomination of Tibet, issued in many distinct types over roughly three centuries, from early Nepalese-struck coinage to native Tibetan and Sino-Tibetan issues.
Asian
Netherlands East Indies Java Rupee
A Dutch colonial silver rupee struck specifically for the island of Java, issued to standardize local currency amid the many foreign trade coins circulating in the Dutch East Indies.
Asian
Visigothic Gold Tremissis
Small gold coin of the Visigothic kings of Spain, evolving from crude imitations of Roman/Byzantine coinage into the first distinctly national royal coinage of post-Roman Western Europe.
European
Massachusetts Willow Tree Shilling
The rarest of Massachusetts Bay's tree-series colonial shillings, struck in secret defiance of English law and all frozen with the date 1652 regardless of actual striking year.
United States
Japanese Meiji Gold 20 Yen
The largest and highest-denomination gold coin of Meiji-era Japan, featuring an imperial dragon design, struck to underpin Japan's modern gold-backed currency system.
Asian
Kyrene Silphium Tetradrachm
A silver tetradrachm from the North African Greek city of Kyrene featuring the now-extinct silphium plant, the source of the city's legendary wealth as a prized ancient medicinal herb.
Ancient
Sybaris Bull Stater
An archaic incuse-fabric silver stater from the legendarily wealthy city of Sybaris, showing a bull looking back over its shoulder, struck before the city's destruction in 510 BC.
Ancient
Roman Republic Denarius
The workhorse silver coin of the Roman Republic, introduced during the Second Punic War and struck by a long line of moneyers with ever-changing, often political, designs.
Ancient
Gallienus Antoninianus
Radiate coin of Gallienus, who ruled through the depths of the Crisis of the Third Century and is especially known for a colorful late-reign series of animal and mythological reverse types.
Ancient
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
Lampsakos Electrum Stater
An electrum stater from Lampsakos on the Hellespont, another important early precious-metal trade coinage of Asia Minor, often featuring a winged horse or janiform head.
Ancient
Ptolemy I Soter Tetradrachm
A silver tetradrachm bearing the realistic portrait of Ptolemy I Soter, founder of the Ptolemaic dynasty of Egypt, whose eagle-on-thunderbolt reverse became the enduring badge of Ptolemaic coinage.
Ancient
1972 Eisenhower Dollar (Type 2)
A scarce reverse variety of the 1972 Eisenhower dollar, distinguished by a more detailed, higher-relief rendering of the Earth behind the moon-landing eagle, and prized by variety collectors.
Errors & Varieties
Type 3 Indian Princess Gold Dollar
The final and longest-running design of the U.S. gold dollar, featuring a larger, better-struck Native American princess portrait than its short-lived Type 2 predecessor.
United States
Presidential Dollar - Thomas Jefferson
The third coin in the Presidential Dollar series, honoring Thomas Jefferson, sharing the same edge-lettering format and Statue of Liberty reverse as the earliest issues in the program.
United States