US 1944 and 1776-1976 Silver coins, A Pair of

US 1944 Jefferson nickel (KM-192a) and 1776-1976 S Kennedy half dollar (KM-205a). Jefferson obverse; Kennedy obverse. The half dollar features the S mint mark for San Francisco. A pair of silver coins presented on a Danbury Mint shipping card. The 1944 nickel is a wartime issue struck in a silver alloy to conserve nickel for the war effort.

Physical specifications:
Diameter: 21.2 mm (Nickel), 30.6 mm (Half Dollar)
Weight: 5.0 g (Nickel), 11.5 g (Half Dollar)
Metal: Silver
Fineness: .350 (Nickel), .400 (Half Dollar)