Program book for a game of the Philadelphia 76ers vs. the Cincinnati Royals during the Sixers’ legendary 1966–67 season, 8 x 10.5, 30 pages, signed on the cover in ballpoint by six: Wilt Chamberlain, Larry Costello, Hal Greer, Dave Gambee, Wally Jones, and Matt Guokas. In very good condition, with a few tears and small stains to front cover (not affecting signatures), typical handling wear, and ink notation and small chips to back cover. Auction LOA Steve Grad/PSA/DNA and R&R COA.