Washington Quarters, 1932 to Date

Washington Quarters were intented to be commemorative coins. Designed by John Flanagan, the reverse is from a Jean Antoine Houdon's bust design. The reverse intergrated a modernistic eagle. Mintage continued used except dates 1933 and 1975.
1932-1964 Silver Coinage Quarter composited 0.900 Silver and 0.100 Copper. Weight 6.25 g.
1965-1998 Clad Coinage and Silver Proofs Quarters, Proof coins from 1937 to 1972 were made from special die with high relief and minor detail differences. Some of the coins of 1956 to 1964 and 1969d to 1972 d with these features.
1776-1976 Bicentennnial Quarters were selection of suitable design from an open contest by Treasury in 1973. Jack L Ahr design was selected for the reverse. A military drummer with victory torch encircled by 13 stars, Date 1776-1976.