The 2021 Panini Obsidian Atomic Material Joe Montana #AM-JM Electric Green /40 trading card is a limited edition collectible featuring the legendary NFL player. This sports trading card is part of the 2021 Panini Obsidian set and is a unique addition to any football card collection. With only 40 copies in existence, this card celebrates Joe Montana's contributions to the San Francisco 49ers and the NFL, making it a valuable and sought-after item for fans and collectors alike.