JFK half dollar Originally issued by the United States Mint in 1964, immediately following Kennedy's tragic assassination Design has remained the same since its introduction, with the exception of the 1975/1976 Bicentennial design  First Day of Issue Limited Edition of 978  Only 978 coins may carry this special designation Once they sell out, no more may be marked as First Day of Issue Graded SP70 (Uncirculated Specimen State) by ANACS   Struck especially for collectors on highly buffed, burnished planchets (blanks) that yield a sharp strike with a mirror-like surface and softly frosted highlights, as opposed to the standard highlights of regular proofs Better quality than Mint State, but not quite the quality of Proof coins Features the highest possible grading on a 70-point scale ANACS is an independent third-party grading company

90% silver Precious-metal coin After the first Kennedy half dollar was minted in 90% silver in 1964, the Mint did not release 90% silver Kennedys again until doing so in special silver proof sets starting in 1992 Reeded edge Edge of a coin on which raised lines appear Designed to make it obvious if anyone has removed metal from the edges Encapsulated  Helps protect coins' condition during storage and display Comes in Wooden  Display Case