No 1964 silver quarter should have a copper layer and they all should be 90% silver, although it is possible that your quarter has tarnished or toned odd and just appeared to look non-silver.
Both copper-nickel clad and silver quarters were produced in the mid-1960s with the clad ones being dated 1965 and later while the silver ones were dated 1964, so theoretically it could be struck on a copper-nickel planchet.
I would weigh the coin, a silver one should weigh about 6.25 grams (naturally a worn quarter would weigh less) while a copper-nickel one should weigh much less, about 5.67 grams.
It is 90% silver and 10% copper.
It is 90% silver. The rest is copper.
The silver value is about $6.00. NOTE: The US has never made a pure silver quarter, they are 90% silver & 10% copper.
All pre-1965 U.S. coins were made of 90% silver and 10% copper. A standard silver quarter weighed 6.25 gm so that means it has about 5.6 gm of silver in it.
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
It is 90% silver and 10% copper.
The US silver quarter contains 90% silver and 10% copper.
If the quarter was minted before 1965 it is 90% silver and 10% copper.
The 1950 US quarter is 90% silver and 10% copper.
It is 90% silver and 10% copper.
It is 90% silver. The rest is copper.
Zero. A 1966 U.S. quarter is 0% silver.
1796. 89% silver, 11% copper. Its design is known as the Draped Bust Quarter. The designer's name was Robert scott.
80% silver, 20% copper
If you are referring to a Washington Quarter that was minted from 1932-1964, it contains: 90% silver and 10% copper. If it was minted from 1965 to the present, the composition is: 2 outer layers of 75% copper and 25% nickel bonded to a pure copper core, for an overall percentage of about 92% copper and 8% nickel.
The silver value is about $6.00. NOTE: The US has never made a pure silver quarter, they are 90% silver & 10% copper.
A 1951 quarter was made of 90% silver and 10% copper.