Postmarked April 7, 1977 from Augusta, Georgia, this Golf USA First Day Cover includes 2 images of Bobby Jones and the Augusta National Clubhouse. It has been signed by 5 of the greatest Masters Champs ever—Jack NIcklaus, Arnold Palmer, Gary Player, Billy Casper, Tom Watson—and, for good measure Lee Trevino! This item is special in so many ways. All signatures are guaranteed authentic by Jeff Ellis Golf Auctions.