<P> Non-clad silver quarters weigh 6.25 grams and are composed of 90 % silver , 10 % copper , with a total silver weight of 0.1808479 troy ounce pure silver . They were issued from 1932 through 1964 . </P>
<P> Non-clad silver quarters weigh 6.25 grams and are composed of 90 % silver , 10 % copper , with a total silver weight of 0.1808479 troy ounce pure silver . They were issued from 1932 through 1964 . </P>
when was the last year quarters were made of silver
when was the last year quarters were made of silver
1964
1964