⭐️KEY DATE 1964D ⭐️90% SILVER ⭐️RARE DENVER MINT ⭐️KENNEDY ⭐️KNOCKOUT PIECE ⭐️AMAZING FROSTY GEM ⭐️BU+++++ ⭐️THE BEST ⭐️⭐️WOW ⭐️⭐️. Designed by mint sculptors Gilroy Roberts and Frank Gasparro, this coin paid homage to the recently assassinated 35th President of the United States John F. Kennedy.