It's the most expensive collectible card of all time — and O'Leary's custom Tiffany diamonds only add to the staggering ...

The “one of one” sports card is an autographed Michael Jordan-Kobe Bryant basketball card, a rare collector’s item that Page Six reports O’Leary purchased with three other people for $12.9 million ...

Shark Tank's Kevin O'Leary wore a $20 million NBA card around his neck at the 32nd Actor Awards on Sunday in Los Angeles.

Kevin O'Leary, who recently made waves as one of the buyers of the record-breaking Michael Jordan-Kobe Bryant Dual Logoman card, expressed his confidence in the future of trading cards as an ...

Rally operates like a stock market for collectibles. It offers fractional shares in many categories, including sports cards, Pokémon cards and sports collectibles. Trading cards — especially Pokémon ...