Coin Encyclopedia
Search and identify coins from around the world — with country, denomination, metal, mint, history, and how to tell them apart.
2005 Kansas State Quarter In God We Rust
A popularly nicknamed error on the 2005 Kansas state quarter in which a filled or damaged die caused the T in TRUST to appear missing, making the motto read 'IN GOD WE RUST.'
Errors & Varieties
Carson City Morgan Dollar (CC Mint)
Morgan silver dollars struck at the Carson City Mint, identified by the small CC mintmark, prized for their Wild West mystique and generally lower mintages than Philadelphia or New Orleans issues.
United States
United States Trade Dollar
A heavier silver dollar issued specifically for trade with China and East Asia, the Trade Dollar circulated internationally before being demonetized and later collected as a design classic.
United States
Italian Scudo (Papal States)
A large silver coin issued by the Papal States under successive popes, blending religious imagery with the temporal authority of the papacy.
European
1889-CC Morgan Dollar
A major key date among Carson City Morgan dollars, with a low mintage of roughly 350,000 coins, making it one of the toughest CC-mint issues to find.
United States
1875-CC Twenty-Cent Piece
A Carson City strike of the short-lived US twenty-cent piece, valued both for its unusual denomination and its Wild West mint origin.
United States
1878-CC Trade Dollar
A scarce Carson City-struck Trade Dollar from the series made for Asian commerce, prized for its low surviving population and famous CC mintmark.
United States
1876-CC Twenty-Cent Piece
One of the great rarities of United States coinage: a Carson City twenty-cent piece of which nearly the entire mintage was melted, leaving only a small number of survivors known.
United States
Kellogg & Co. Gold Piece
Private gold coinage struck by the San Francisco firm Kellogg & Co. during the California Gold Rush, including the famous octagonal fifty-dollar 'slug' of 1855, filling a shortage of circulating coin.
United States
Bremen Thaler
A silver thaler of the free Hanseatic city of Bremen, typically featuring the city's key emblem, issued for centuries as an independent trading city's own coinage.
European
GSA Morgan Dollar
Morgan silver dollars, mostly from Carson City, sold by the U.S. General Services Administration in the 1970s in distinctive hard plastic holders with a black or brown outer box.
United States
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
German Bremen Thaler
A silver thaler issued by the Free Hanseatic City of Bremen before German unification, featuring the city's heraldic key, part of the patchwork of pre-1871 German state and city coinages.
European
1873-CC Seated Liberty Quarter (No Arrows)
One of the great rarities of the Seated Liberty quarter series, this tiny Carson City issue predates the mid-1873 arrows-at-date modification and survives in only a handful of known examples.
United States
Jefferson Nickel
Struck since 1938, the Jefferson Nickel pairs a portrait of Thomas Jefferson with his home, Monticello, and briefly switched to a silver alloy during World War II.
United States
1787 Brasher Doubloon
An extraordinarily rare private gold coin struck by New York goldsmith Ephraim Brasher in 1787, now one of the most valuable and famous coins in American numismatics.
United States
1916 Standing Liberty Quarter
The extremely low-mintage first-year issue of the Standing Liberty quarter, one of the most famous key dates in all of United States coinage.
United States
1921 Peace Dollar (High Relief)
The debut issue of the Peace dollar, struck in dramatic high relief that proved difficult to mint, commemorating peace after World War I.
United States
1857 Flying Eagle Cent
The first-year circulation issue of the Flying Eagle Cent, marking the debut of the small-format cent that replaced the old large copper cent.
United States
1938-D Buffalo Nickel
The final year of the Buffalo Nickel series, the 1938-D was widely saved by the public at the time and remains a popular, affordable last-year issue for collectors.
United States
1938-D Walking Liberty Half Dollar
A low-mintage Denver issue widely regarded as the key date of the later Walking Liberty half dollar run, second in scarcity only to the 1921 dates.
United States
1934 Peace Dollar
A Depression-era Peace Dollar issue struck at three mints, with the low-mintage 1934-S standing out as a semi-key date prized by collectors.
United States
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
1838 Seated Liberty Quarter (No Drapery)
The first-year Seated Liberty quarter, the 1838 No Drapery issue introduced Christian Gobrecht's new design before a drapery fold was added at Liberty's elbow in 1840.
United States