BU Kennedy Half Dollar coins came from a 1970 D U.S. Mint Set. 

These 1970 D half dollar coins were taken from a U.S. Mint set.

They are still sealed in the original mint cellophane. 

You get one  Kennedy coin from the Denver Mint.  

The coins are in uncirculated condition.

1970 D Kennedy Half Dollar Mintage and Specifications

Mint Marks: D (Denver)

Composition: 91.67% copper, 8.33% nickel

Weight: 11.34 grams

Diameter: 30.61 mm