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.
A pre-1964 quarter, also known as a silver quarter, contains 90% silver and 10% copper. It has approximately 0.1808 troy ounces of silver. This means that in each pre-1964 quarter, there is about 0.1808 ounces of pure silver.
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.
It is 90% silver and 10% copper.
The 1950 US quarter is 90% silver and 10% copper.
The US silver quarter contains 90% silver and 10% copper.
It is 90% silver. The rest is copper.
It is 90% silver and 10% 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
Yes, it is extremely rare to find a copper quarter as U.S. quarters have been made of a copper-nickel alloy since 1965. Prior to that, quarters were made of 90% silver until 1964. If you have a quarter that appears to be copper, it may be the result of a mint error or some form of altered coin.
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.
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.