YOU ARE BIDDING ON A KENNEDY HALF DOLLAR SET FROM 1964 -1992 P, D, S IN UNCIRCULATED, MINT-STATE AND PROOF CONDITION.  THIS SET IS HOUSED IN A LIKE-NEW DANSCO ALBUM WITH 83 COINS TOTAL  I COUNT THE FIRST THREE COINS AS 90% SILVER AND ABOUT A DOZEN THAT ARE 40% SILVER.  THERE ARE SOME COINS WITH LITTLE TOUCH OF ATTRACTIVE TONED COLOR AND MOST PROOFS HAVE CAMEO CONTRAST.  THE LAST TWO COINS ARE 1981-S AND 1992-S PROOFS, PROBABLY DIFFERENT TYPE VARIETY FOR THOSE YEARS.  CLEARLY, THIS IS A HIGH-GRADE, METICULOUSLY HAND-PICKED GROUP OF COINS FROM AN OLD -TIMER  SERIOUS COLLECTOR.  THANKS AND GOOD LUCK.