It's made of .900 silver, i.e. 90%, and weighs 6.25 gm so the total content of pure silver is 0.90 x 6.25 or about 5.63 gm.
The net weight of pure silver is .18084oz. The coin is made of 90% silver and 10% copper.
The Actual Silver Weight (ASW) is .18084oz of pure silver.
f you mean a US quarter dated 1964 it's not sterling silver, it's coin silver (.900 silver & .100 copper) and value as of today is $3.25 just for the silver
None, 1964 was the last year silver was used in circulating US quarters. Quarters dated 1965 and later are made of copper and nickel.
No circulating US silver coins were made of pure silver. It's too soft. The composition is .900 silver & .100 copper to make the coins hard enough to resist wear. Please see the Related Question for more information.
From 1873 to 1964 all US quarters have the same composition of .900 silver and .100 copper with a weight of .18084oz of pure silver. The total weight is 6.25 grams with a diameter of 24.3mm.
The Actual Silver Weight (ASW) is .18084oz of pure silver.
f you mean a US quarter dated 1964 it's not sterling silver, it's coin silver (.900 silver & .100 copper) and value as of today is $3.25 just for the silver
A 1964 US quarter weighs 5.67 grams.
1964 was the last year for silver quarters. At current market prices, one is worth about $5.
The coin is so common if it has any wear at all, the value is for the silver only, about $5.00.
US quarters dated 1964 and before weigh 6 25 grams. and are 90% silver 10% copper.
US silver quarters were struck form 1796-1964.
about $6.50-$7.50
There are 5.625 grams of pure silver in every US quarter dated 1964 or prior.
Any US quarter minted in 1964 or earlier is 90% silver.
None, 1964 was the last year silver was used in circulating US quarters. Quarters dated 1965 and later are made of copper and nickel.
US quarters dated 1964 and before weigh 6 25 grams. and are 90% silver 10% copper.