Details:
Mintage 18,180,181.
The composition of Silver Washington Quarters from 1932-1964 is 90% silver and 10% copper. A Silver Quarter weighs 6.2500 grams, therefore the silver weight is 5.6250 grams or 0.1808 Troy ounces.
History of United States Mint
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This 1955 Washington Quarter (90% Silver) information page was created in January 2026 and last updated on 27th January 2026
W: Code updated 18th Oct 2025