
Based on the provided information, a 1963 Franklin half dollar was struck in 90% fine silver, with the remaining 10% of the coin's composition being copper. This was the final year of issue for the Franklin series.
To provide a more detailed answer, a standard 90% silver half dollar, including the 1963 Franklin, has a total weight of 12.50 grams. Given its 90% silver composition, the actual amount of pure silver contained within the coin is approximately 11.25 grams, which is equivalent to about 0.36169 troy ounces. The value of the coin's silver content is often referred to as its "melt value," which fluctuates with the daily spot price of silver.


