Legendary and revered Italian opera singer (1923–1977) widely regarded as the greatest soprano of all time. Vintage red ballpoint sentiment and signature, “To Joe, Sincerely, Maria Meneghini Callas, 1958,” on a lightly lined off-white 5 x 3 card. In very good condition, with scattered light toning and soiling, and water stain at bottom edge, touching date. R&R COA.