Signed half-tone photograph, to an inside photo page, n.p., 1957. The printed 4to programme is for a performance of the opera La Sonnambula during the Edinburgh International Festival at the King's Theatre, August - September 1957, in which Callas sang in the role of Amina. Callas has signed the programme with her full signature ( 'Maria Meneghini Callas' ) in blue ink to the white border beneath her full photo showing her standing in a three quarter length pose wearing a plain black dress and pearl necklace.