Contract pertaining to Derek Sanderson’s endorsement of the Coleco action hockey game is signed in bold blue ballpoint by the Boston Bruins center. Contract in the amount of $500 was for use of his name and image on the “Pro-Stars Action Hockey” game released in 1970. The game was also endorsed by Gordie Howe, Tony Esposito, Beliveau, Phil Goyette & Rod Gilbert. Contract is printed on 8.5x11” paper with his affixed card at bottom right. Creased twice along folds, EX. Comes with Wayne Gretzky’s 1979 OPC #18 card and Gordie Howe’s rookie 1954 Topps #8 card, graded NM-MT 8, and EX 5 respectively by PSA.