
Based on the provided information, United States quarters minted for circulation today contain no silver. The composition of these coins was fundamentally changed in the mid-1960s.
Historically, Washington Quarters produced from 1932 through 1964 were composed of 90% silver. Each of these coins contains 0.1808 troy ounces of the precious metal. However, this practice was discontinued due to the rising price of silver.
Since 1965, all circulating quarters minted by the United States have a clad composition. These modern coins consist of a core of pure copper with outer layers of a copper-nickel alloy, giving them their silver-like appearance. Therefore, any U.S. quarter bearing a date of 1965 or later does not have any intrinsic value derived from silver content.


