George Washington Quarter Dollar: 1932-1998
A new quarter dollar was issued in 1932 to commemorate the 200th anniversary of George Washington's birth.  It was intended to be a one-year commemorative issue, but it proved so popular it remained as our every day 25-cent coin for 67 years.  A new Washington Quarter was introduced in 1999.
- Designer: John Flanagan
- Composition: 90% silver, 10% copper // Diameter: .95 inch (24.3 mm); reeded edge // Weight: 6.25 grams
- Mints: Philadelphia, Denver, San Francisco
- Mint marks: D or S on reverse, centered below the wreath
- Composition: 1964 marked the last year when dimes and quarters meant for circulation contained any silver. Starting in 1965, a new, 3-layer 'clad' material was used for dime and quarter production.
- The outer layer material on which the obverse and reverse images are struck is an alloy of .750 copper and .250 nickel
- The inner layer, or 'core', is pure copper
- Weight: 5.67 grams
- Mint marks:
- 1965 to 1967: no mint marks
- 1968 to 1979: D or S on obverse, at right of hair ribbon
- 1980 to date: P, D, or S on obverse, at right of hair ribbon
For 1976, the quarter was issued with a colonial Drummer Boy design. This design was issued for only one year to commemorate the US bicentennial of 1776-1996. (I really liked this coin when it was issued, and I still like it today.)
- Designers: John Flanagan (Obverse) and Jack L. Ahr (Reverse)
There were two different compositions and weights of this year quarter dollar.
- There was a 3-layer Cupro/Nickel clad version meant for circulation which used the same metals and had the same weight as as the coins from 1965 on.
- There was also a 3-layer Silver clad version issued only in mint sets and proof sets.