The last year for silver dimes and quarters was 1964.
1935 was the last year for the one dollar silver coin.
The last year for silver U.S. dimes was 1964.
1964 was the last year US quarters were made of Silver.
1964
1937
1935 was the last year for circulating U.S. silver dollars.
The last year for silver dimes and quarters, as well as 90% half dollars was 1964. Halves 1965-70 were then 40% silver. All dimes and quarters 1965-present and half dollars 1971-present are copper and nickel.
1964 was the last year for a 90% silver dime. No circulating coin was pure silver.
They used 92.5% silver till 1920 They used 50% silver till 1947
This question, as written, is unintelligible. As such, it's impossible to answer.
1964 was the last year for 90% silver quarters made for everyday use, all quarters from 1965 to the present are copper-nickel.