US quarters (25 cent coins) were 90% silver through 1964, changing to a cupro-nickel clad composition in 1965.
The last silver quarters were minted in 1964.
You can tell if a dime or quarter is silver by checking the year minted. Dimes minted before 1965 and quarters minted before 1964 are made of 90% silver. You can also conduct a magnet test - if the coin is attracted to a magnet, it is not silver.
All Washington quarters dated 1964 or before are 90% silver.
NO. 1980 quarters are not silver.
1964 is the last date for silver quarters. To be annoyingly technical, 1964-dated silver quarters were actually struck for a while in 1965 during the transition to cupronickel coinage, but there's no way to tell them apart from coins made during calendar 1964.
There is no such thing as pure silver quarters, there are 90% silver quarters which are dated 1964 and earlier though in the US.
All US quarters dated 1964 or before are 90% silver.
The last year for silver quarters was 1964.
All US Quarters dated 1964 and before are silver. If the date is wore off weigh it,If its silver it will weigh 6.25 grams
If it's a US quarter minted in 1965 or later, it's not silver (there are silver coins minted in "proof sets", but these came in a special labeled display case; you're not going to find one in pocket change). US quarters minted in 1964 or before were partly (about 90%, I think) silver.
Sell silver quarters by there weight. You will probably make better money anyway from silver quarters.
90% silver U.S. quarters have a silver value of $7.50 as of 9-8-11.