T Limited Edition 4 Piece Silver Proof Collector’s Set SKU:CPC3618. A genuine 1988 E. Limited Edition 4 Piece Silver Proof Collector’s Set, from Rarities Mint. Comes with the original mint packaging, including a certificate of authenticity. Coins show visible toning as documented by the photography. The images you see are for the exact item you will receive. Limited Edition Collector’s Set.