
A Franklin half dollar is composed of 90% silver and 10% copper. This composition was standard for United States silver coinage of the era.
The total weight of a Franklin half dollar is 12.50 grams. Based on its 90% purity, the actual amount of pure silver contained within each coin is 0.36169 troy ounces, which is equivalent to 11.250 grams. This specific silver content makes these coins valuable beyond their face value, primarily for their precious metal content.


