
Based on the provided information, a 1964 Kennedy half dollar contains 0.3617 troy ounces of silver.
This particular year is unique for the Kennedy half dollar series because its composition is 90% silver. The silver content is a key factor in its value for collectors and investors. It is important to note that the amount of silver in Kennedy half dollars varies significantly by the year they were minted, with issues from later years containing either 40% silver or no silver at all.


