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

1939-D Jefferson Nickel
A scarce early Denver-mint Jefferson Nickel with one of the lowest mintages of the pre-war series, considered a semi-key date for collectors building a complete set.
United States
1921 Mercury Dime
A key date of the Mercury dime series, struck in unusually low numbers amid a post-World War I economic slowdown that reduced coinage demand nationwide.
United States
New Zealand Half Crown (pre-decimal)
The largest denomination in New Zealand's regular pre-decimal coin series, featuring the national coat of arms, circulated from 1933 until decimalization in 1967.
Africa & Oceania
1914-D Lincoln Cent
A famous key date in the Lincoln wheat cent series, prized for its low mintage from the Denver Mint and ranked among the most important dates collectors need to complete the series.
United States
Canadian Palladium Maple Leaf
The Royal Canadian Mint's palladium bullion coin, sharing the Maple Leaf design used across Canada's precious metal series, produced intermittently since 2005.
Bullion
Somali Elephant Gold
The gold version of Somalia's popular African Wildlife elephant coin series, produced by the Bavarian State Mint with a design refreshed nearly every year.
Bullion
Australian Silver Koala
A Perth Mint silver bullion coin featuring an annually changing depiction of the koala, launched in 2007 as a companion series to the long-running Silver Kookaburra.
Bullion
1878 Shield Nickel (Proof Only)
Another proof-only rarity in the Shield Nickel series, struck exclusively for collectors with no business-strike coinage issued for circulation that year.
United States
1916-D Mercury Dime
The key date of the Mercury Dime series, the 1916-D was struck at Denver in a very low quantity, making genuine examples scarce and highly sought after by collectors.
United States
Gold Britannia
The United Kingdom's premier gold bullion coin series, launched in 1987, featuring Britannia on the reverse and available in one-ounce and fractional weights.
Bullion
1913 Barber Half Dollar
A recognized key date of the Barber half dollar series, with a Philadelphia mintage far lower than most other years, making it prized by series collectors.
United States
1864 L Indian Head Cent
A famous variety of the 1864 bronze Indian Head cent bearing a tiny L on Liberty's ribbon for designer James Longacre, one of the most recognized key varieties in the series.
United States
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
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
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
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
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
1880 Shield Nickel
A major key date of the Shield Nickel series with an extremely low business-strike mintage, making genuine circulated examples much scarcer than the coin's proofs.
United States
Vespasian Denarius
The silver coin of Emperor Vespasian, founder of the Flavian dynasty, notably including the famous 'Judaea Capta' series commemorating Rome's suppression of the Jewish revolt.
Ancient
1974 Eisenhower Dollar
A large dollar coin honoring President Dwight D. Eisenhower and the Apollo 11 moon landing, common in circulated grades but collected as part of the popular Ike dollar series.
United States
Swiss 10 Francs Gold Vreneli
The smallest denomination of Switzerland's iconic "Vreneli" gold series, featuring a Swiss maiden's profile, prized by collectors and gold buyers alike for its classic design and modest size.
European
Trajan Decius Antoninianus
Radiate coin of Trajan Decius, remembered for his empire-wide persecution of Christians and his death in battle against the Goths, and for a famous series honoring deified past emperors.
Ancient
Panormus Siculo-Punic Tetradrachm
A silver tetradrachm struck at Panormus under Carthaginian control in Sicily, blending Greek artistic style with Punic legends, a hallmark of the distinctive Siculo-Punic coinage series.
Ancient
Seated Liberty Half Dime
The final United States half dime series, struck from 1837 to 1873, features Christian Gobrecht's seated Liberty design before the denomination was replaced by the copper-nickel Shield Nickel.
United States