2014 W Reverse Proof Silver Kennedy 4 Coin Ngc Pf70 Sp70 Pl 50th Ann Set S D P 12 September 2018September 12, 2018adminreverse50th, coin, kennedy, pf70, proof, reverse, silver, sp70 Certification Number: for the 4 coins shown Certification: NGC Strike Type: Proof Mint Location: P & D & W & S Grade: PF70 Year: 2014 Circulated/Uncirculated: Uncirculated Composition: Silver