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

Cartwheel Twopence (1797)
An enormous two-ounce copper twopence struck in 1797, the largest coin ever produced for circulation in Britain, made famous for its heavy raised cartwheel-style rim.
British
Indian Head Quarter Eagle ($2.50)
A small gold coin featuring Bela Lyon Pratt's distinctive incuse Native American design, one of only two U.S. denominations ever struck with recessed devices.
United States
1908-S Indian Head Cent
The first Indian Head cent struck at the San Francisco Mint, marking the first time a branch mint produced a one-cent coin for the United States.
United States
Virginia Halfpenny
An official royal copper coinage struck in London specifically for the Colony of Virginia, showing King George III, whose distribution was disrupted by the approaching American Revolution.
United States
Vijayanagara Gold Pagoda
A small, thick gold coin of the South Indian Vijayanagara Empire, typically showing Hindu deities or a bull, whose type became so trusted it was widely imitated as the standard South Indian trade "pagoda."
Asian
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
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
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
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
Quarter Guinea
A rarely issued small gold coin worth one-quarter of a guinea, struck only in 1718 under George I and again briefly in 1762 under George III.
British
Third Guinea
A small gold coin worth one-third of a guinea, or seven shillings, struck under George III in the years leading up to the introduction of the modern sovereign.
British
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
1936 Dot Cent
One of Canada's rarest coins: a 1936-dated cent quietly struck in 1937 with a tiny raised dot below the date after King Edward VIII's abdication delayed new George VI dies.
Canadian
Two Guinea (Double Guinea)
A substantial gold coin worth two guineas, struck intermittently from the reign of Charles II through George II as part of England and Great Britain's early guinea coinage system.
British
Five Guinea
The largest regularly issued gold denomination of the guinea coinage system, worth five guineas, struck from the reign of Charles II through George II for major transactions and presentation purposes.
British
Rosa Americana Coinage
A British-issued colonial coinage for America under a patent granted to William Wood, showing a rose and King George I, that was widely rejected by colonists for its poor metal and overvaluation.
United States
English Crown
A large English silver coin worth five shillings, first struck under Henry VIII, that became one of Britain's most artistically celebrated denominations before decimalization.
British
Half Farthing
A tiny copper coin worth one-eighth of a penny, struck mainly for use in colonial Ceylon during the reigns of George IV, William IV, and Victoria.
British
Quarter Farthing
The smallest fractional denomination in British coinage, worth one-sixteenth of a penny, struck primarily for use in colonial Ceylon during Victoria's reign.
British
Third Farthing
An extremely small denomination worth one-twelfth of a penny, struck mainly to serve the currency needs of the British colony of Malta across the nineteenth and early twentieth centuries.
British
Penny
One of the oldest and most iconic British denominations, the pre-decimal penny is famous for its large bronze Britannia design and beloved key dates like the 1933 penny.
British
Brasher Doubloon
A famous privately struck gold coin made in 1787 by New York goldsmith Ephraim Brasher, a neighbor of George Washington, and one of the most valuable and celebrated coins in American numismatics.
United States
Gothic Crown
An ornate Victorian silver crown featuring a young Queen Victoria in Gothic-script lettering, widely admired as one of the most artistically accomplished coins in British history.
British
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