1969 Football Multi-Signed First Day Cover; outstanding first day of issue with (10) deceased Football Hall of Famer signatures; most signed in blue or black ballpoint pen; signatures include Cliff Battles, George McAfee, Ken Story, Jim Parker, Ed Healey, Red Grange, Clark Hinkle, Mike Michalske, Mel Hein and Cal Hubbard; postmarked on back Dec 3, 1973; encapsulated by JSA and Beckett JSA Cert Y30532. Suggested bid $500