Description:Boston Celtics Legends autographed basketball. Spalding Official NBA basketball is signed by (13) legendary Celtics players including Bill Russell, Larry Bird, Bill Sharman, Sam Jones, Ed Macauley, Dennis Johnson, and others. Signatures rate 9-10 out of 10. The ball was originally obtained at a Celtics season ticket holder event as one of twelve available for sale. Includes LOA from JSA (autographs) and letter of provenance from the original recipient: NM