Each 40 card set includes 27 base cards, 9 Line Art Cards, 1 Mini Card, 1 Signed Art Card, 1 Sketch Card and a Checklist. The Mini Cards (1 of 6 different) Signed cards (1 of 6 different) and Sketch cards (all of 1 of 1's) will be the chase elements in this set. This is new art for trading cards, including classic artists materials from prior comic book covers.