PSA SLABBED AND GRADED 10 GEM MINT Bo Bichette of Toronto Blue Jays & Lansing LugNuts. THIS IS FROM THE   2017 Topps Heritage Minor League '68 Topps Discs set. It has been graded as Gem Mint PSA 10 and is a pre-rookie card. The card number is 21 and it is perfect for collectors of baseball trading cards.