The product is a 1990 Joe Montana San Francisco 49ers Pro Set trading card featuring an error of 3521 instead of the corrected 3,130 yards.

MINT CONDITION

This card is part of a series of trading cards manufactured by Pro Set in 1990, showcasing the legendary football player Joe Montana. It is a valuable collector's item for fans of the National Football League (NFL) and the San Francisco 49ers, especially those interested in rare errors and variations in sports trading cards.