More to explore:
1963 Ben Franklin Half Dollar~Of the 22 million 1963 Silver Ben Franklin Half Dollars issued just 3.07 million proofs were issued. Proofs are selling for somewhere between $15 and $23 dollars. This was the final year for the Ben Franklin Half Dollars. No mint mark, Face Value: 0.50 USD Total Produced: 22,164,000 [?] Silver Content: 90% Silver Weight: .3617 oz. As a rough estimate of this coins value in poor condition will be around $12, while one in "perfect" condition can bring $35.
Benjamin Franklin Half Dollar Circ - Details: Silver Content: 0.36169 oz; Gross Weight: 12.50g: Composition: 90% Silver, 10% Copper: Coin Diameter: 30.6mm; Mint Dates: 1848-1963