Official Kelly green Red Auerbach Celtics commemorative basketball signed in black felt tip on the side panels by 12 members of the 2007-08 Boston Celtics, including: Kevin Garnett, Paul Pierce, Ray Allen, Rajon Rondo, Leon Powe, Kendrick Perkins, and Eddie House. Accompanied by a letter of authenticity from PSA/DNA. In very fine condition. Auction LOA Steve Grad/PSA/DNA and R&R COA.