Professional wrestlers who were among the pioneers of gargantuan heavyweight attractions during the 1950s and 1960s. Two ink signatures on individual off-white 5 x 3 cards, one signed and inscribed, “To Warren, From Haystack Calhoun,” and the other signed and inscribed, “To Warren, My Pal & Buddy, Best Wishes in Sports, Haystack Muldoon.” In fine condition. RR Auction COA.