Quarter (United States coin)
The quarter, short for quarter dollar, is a United States coin worth 25 cents, one-quarter of a dollar. The coin sports the profile of George Washington on its obverse, and after 1998 its reverse design has changed frequently. It has been produced on and off since 1796 and consistently since 1831.
|Value||0.25 U.S. Dollar|
|Diameter||24.26 mm (0.955 in)|
|Thickness||1.75 mm (0.069 in)|
|Composition||From 1965: 91.67% Cu, 8.33% Ni |
1932–1964: 6.25 grams, 90% Ag, 10% Cu
|Years of minting||1796, 1804–1807, 1815–1828, 1831–1930, 1932, 1934–present|
|Design||George Washington bust|
|Designer||John Flanagan (1932 version) from a 1786 bust by Houdon|
|Design||George Washington's crossing of the Delaware River|
It has a diameter of 0.955 inch (24.26 mm) and a thickness of 0.069 inch (1.75 mm). Its current version is composed of two layers of cupronickel (75% copper, 25% nickel) clad on a core of pure copper. With the cupronickel layers comprising 1/3 of total weight, the coin's overall composition is therefore 8.33% nickel, 91.67% copper. Its weight is 5.670 grams (0.1823 troy oz, or 0.2000 avoirdupois oz).