The card number of the set is #RM-SM.
17/18 Upper Deck Young Guns Rookie RC Samuel Morin 226 Flyers
2017-18 Upper Deck Series 2 Hockey Checklist, Team Sets, Release Date
2017-18 Upper Deck Series 2 Hockey Checklist, Young Guns, Boxes, Info
2017-18 Upper Deck Rookie Materials #RMSM Samuel Morin, Flyers Rookie
Hell's Valuable Collectibles: March 2021
2017-18 Upper Deck Series 2 Hockey Checklist, Young Guns, Boxes, Info
December 2020
Hell's Valuable Collectibles: March 2021
2017-18 Upper Deck Series 2 Hockey Checklist, Young Guns, Boxes, Info