Diameter: 30.6 mm
Mintage: Proof only (2,632,810)
Weight: 12.50 grams
Metal: 90% silver (1964)
Edge: Reeded
Designer: Gilroy Roberts / Frank Gasparro
The 1970-S is the last 40% silver Kennedy and was struck only as a Proof for collectors — a key to the Proof set run.
What’s It Worth?
Values depend on grade, strike, eye appeal, and authentication. For a current, no-obligation valuation of your coin, send a few photos to our coin experts — we actively buy Kennedy half dollars in every grade. Email info@coinappraiser.com or call 888-707-1564.