A rare Upper Deck card uniting two NBA legends is already the most expensive basketball card ever sold at auction — and the bidding isn’t done yet.

Michael Jordan and Kobe Bryant’s rare Dual Logoman card is set to break records at auction, with a price of over $6 million.

The 2007-08 Upper Deck Exquisite Collection Dual Logoman Autographed card featuring Michael Jordan & Kobe Bryant has reached $5.37 million at a Heritage Auctions sale, putting it in range of becoming the most expensive card auction in history.