Nine (9) Proof Washington Quarters 1990 to 1998 (none for 1999) Each coin is shipped in a 2x2 coin holder as seen in our photo Washington quarters dated 1965 to date are clad coinage with an outer layer of 75% copper and 25% nickel and an inner core of pure copper. Weight: 5.67 grams Diameter of 24.3 mm
