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

1923-S Standing Liberty Quarter
A scarce San Francisco key date of the Standing Liberty quarter series, valuable in all grades and especially rare with a fully struck head.
United States
1856-S Seated Liberty Quarter
A scarcer San Francisco-minted date in the Seated Liberty quarter series, struck in the mint's early years and prized by collectors, especially in higher grades.
United States
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
1927-S Standing Liberty Quarter
A key date of the Standing Liberty quarter series, struck in relatively low numbers at San Francisco and notoriously difficult to find with a fully struck head.
United States
1866 Seated Liberty Quarter (Motto)
The first year the motto IN GOD WE TRUST appeared on the quarter dollar, the low-mintage 1866 Philadelphia issue is a genuine key date of the Seated Liberty series.
United States
2004 Wisconsin State Quarter Extra Leaf
A famous modern variety of the 2004 Wisconsin state quarter showing an unexplained extra leaf on the corn cob, found in both 'low leaf' and 'high leaf' forms.
Errors & Varieties
1917 Type 2 Standing Liberty Quarter
The revised Standing Liberty quarter design introduced later in 1917, adding chain mail over Liberty's chest and extra stars on the reverse, used through the end of the series in 1930.
United States
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
1823/2 Capped Bust Quarter Overdate
One of the rarest die varieties in the entire United States quarter series, the 1823/2 overdate shows a 3 punched over a leftover 2, from an extremely limited production run.
Errors & Varieties
Australian Lunar Series (Perth Mint)
Modern Australian bullion and collector coin series from the Perth Mint featuring a different Chinese zodiac animal each year, popular worldwide with precious metal collectors.
Bullion
1842-O Small Date Seated Liberty Quarter
A famous condition and date rarity of the Seated Liberty series, struck at New Orleans from leftover small-date dies originally prepared for Philadelphia proof coinage.
United States
2005 Minnesota State Quarter Extra Tree (Doubled Die)
A doubled-die variety of the 2005 Minnesota state quarter that produces the illusion of an extra tree trunk among the treeline in the design, popular with modern variety collectors.
Errors & Varieties
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
US America the Beautiful Quarters
A successor to the State Quarters program honoring national parks and other national sites from every US state and territory, including a unique 5-ounce silver bullion companion series.
United States
1827 Capped Bust Quarter
One of the most celebrated rarities in American numismatics, the 1827 quarter exists only as extremely rare proof-like Originals and later Restrikes rather than typical circulation coinage.
United States
1917 Type 1 Standing Liberty Quarter
The original 1916-1917 Standing Liberty quarter design showing Liberty with an exposed right breast, before the design was modified later in 1917 for modesty.
United States
Rwandan Silver African Wildlife
A modern bullion coin series issued under Rwandan sovereignty depicting various African animals, minted in Germany and produced in different subseries by animal theme.
Africa & Oceania
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
Tokelau Silver Series
A family of novelty-themed silver bullion coins issued in the name of Tokelau, a New Zealand territory, often featuring innovative designs like rotating or gyroscopic elements.
Africa & Oceania
Presidential Dollar Series
A circulating dollar coin series honoring US presidents in order of service, featuring edge-lettered mottos and a shared Statue of Liberty reverse across every release.
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
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
Barber Half Dollar
A 90% silver half dollar (1892-1915) with a right-facing Liberty head designed by Charles E. Barber, part of a matching Barber dime, quarter, and half dollar series.
United States
Canadian 2010 Vancouver Olympics Coins
The Royal Canadian Mint produced an extensive multi-year coin program for the Vancouver 2010 Winter Olympics, including innovative colorized and lenticular circulating quarters alongside premium silver and gold collector coins.
Commemorative