1976 Kennedy Half Dollar Value is .50C to .75C in circulated condition, and uncirculated examples can bring $1 to $3 raw.
1976 Kennedy Half Dollar Value can be worth $45 in MS65 and $135 in MS66, if graded by PCGS or NGC. The business strikes are clad and only examples with the S mint mark, that came in the red envelope. Also the reverse design was changed to celebrate the United States Bicentennial and these are referred to as Bicentennial Half Dollars.
These are not silver but copper nickel and clad and they where minted with D (Denver Mint) mint mark or without a mint mark (Philadelphia Mint) for 1971-1979.
Copper-Nickel Clad Coinage (1971-Date)
Designer: Obverse by Gilroy Roberts; reverse by Frank Gasparro
Diameter: 31 millimeters
Metal content: Outer layers – 75% Copper, 25% Nickel
Center – 100% Copper
Weight: 175 grains (11.3 grams)
Mint mark: “S” (Denver Mint) and centered above the date. It is normal for 1971 through 1979 to be without a mint mark.