Callas, Maria. (1923–1977) Signed "Gioconda" LibrettoVintage oversize LP libretto from Callas'sCetra recording of Ponchielli's "La Gioconda," boldly signed in fountain pen ink on the front cover "Maria Meneghini Callas." A large signature, in fine condition. "Cetra had contracted Callas to record three operas before Walter Legge signed her up to an exclusive contract with the Columbia (Angel in the USA) label in July 1952. Cetra in fact recorded only two operas under their contract, this Gioconda and La