What year were the last silver quarters made
27 Mar 2014 Before 1965, US quarters were made of 90 percent silver. The most common years for quarters and dimes in this collection seems to be Roosevelt and Mercury Dimes, Washington Quarters, and Walking Liberty Franklin and Kennedy Half-Dollars minted in 1964 and earlier are 90% silver. 10 Jun 2019 All coins up to 1964 were made with 90 percent silver and 10 percent copper and have the same silver content as the previous two coins.