2021 Leaf Art of Sport #AC-SO1 is a multi-sport card featuring Shaquille O'Neal. This card belongs to the Art of a Champion Autographs Silver insert.
CardReactor identifies this as a autograph card.
Compare other cataloged versions of #AC-SO1 Shaquille O'Neal from this set: Art of a Champion Autographs Emerald insert, Art of a Champion Autographs Gold insert, Art of a Champion Autographs insert, Art of a Champion Autographs Navy insert, Art of a Champion Autographs Platinum insert, and Art of a Champion Autographs Purple insert.
Other Shaquille O'Neal cards in this set include #BA-SO1 Base, #BA-SO1 Red parallel, #AC-SO1 Art of a Champion Autographs insert, #AC-SO1 Art of a Champion Autographs Emerald insert, #AC-SO1 Art of a Champion Autographs Gold insert, and #AC-SO1 Art of a Champion Autographs Navy insert.
