Diaz, Justino - Signed Program New Metropolitan Inauguration 1966

Program for the famous gala performance of the world premiere of Samuel Barber's opera "Antony and Cleopatra" for the inauguration of the new building of The Metropolitan Opera on September 16th, 1966, signed by the Puertorican baritone on the cast page, inscribed to "Ruben".  Size is 8.1 x 11 inches, 144 pages + covers, in excellent condition.