2018-S Silver Reverse Proof 10 Coin Set. NGC PF70 First Releases Trolly Label 14 May 2024May 14, 2024admin2018-s2018-s, coin, first, label, pf70, proof, releases, reverse, silver, trolly Silver Reverse Proof Set 10pc. NGC PF70 First Releases Trolley Label. Several complete sets available. Slab #’s will vary.