U.S. dimes, quarters, half dollars, and silver dollars minted through 1964 contain 90% silver. At roughly $29 per ounce, a dime is worth about $2, a quarter $5, a half dollar $10, and a silver dollar $20 in melt value alone, not counting collector premiums.
So when it comes to the coins, dimes, quarters, half dollars, and silver dollars prior to 1964 are 90% silver. So that means that it's almost like sterling, which is 92.5 or 925. So again, dimes, quarters, half dollars, and silver dollars prior to 1964, including 1964, is 90% silver. In today's market with silver right around $29, that means that a dime could be worth $2. A quarter could be worth around $5. Half dollar, $10. Silver dollar could be $20. Now again, this is not numismatic value. This is just the silver content we're going over today.
