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.
.. 1964 was the last year.
1964 was the last year that quarters were made of silver for general circulation.
1964
1964
It was 1964 when the last coins in the US were made from 90% silver.
The last year British sixpences, shillings, florins, and half crowns were made with silver was 1946.
1935 was the last year for the one dollar silver coin.
1964 i beleive
The last year for silver U.S. dimes was 1964.
1964 was the last year US quarters were made of Silver.
It was made before 1964, therefore, it is silver. The last year quarters were made of real silver was 1964.
1964 for 90% silver, and 1970 for 40% silver.