Larry Bird, Magic Johnson and Julius "Dr. J" Erving are 3 of the greatest hoopers ever ... and now a super-rare basketball card produced 40 years ago is on the auction block ... and could rake in over $500k!!
The 1980-1981 Topps Scoring Leader card features the Celtics, 76ers, and Lakers stars in-game action ... and is currently on the block at SCP Auctions.
The card itself is incredibly valuable .