2021 Leaf Pop Century Heartbreakers Marisa Miller Crystal Orange Pre-Production Proof, serial numbered 1/1, from the 2021 Leaf Pop Century Heartbreakers set. The card is in Near Mint or Better condition and features Marisa Miller, a Sports Illustrated model, in Leaf’s pop culture lineup. A solid collector piece for those focused on the Heartbreakers insert style and one-of-one parallels.