how much silver in 1964 half dollar

[Omar]

Based on the provided information, the 1964 Kennedy half dollar is composed of 90% silver. The specific silver content for this particular year of issue is 0.3617 troy ounces.

This high silver content is unique to the 1964 minting. As the context indicates, Kennedy half dollars issued in later years either contained a reduced amount of silver (40%) or no silver at all, which distinguishes the 1964 coin for its precious metal value.