Collection of nine programs from the Metropolitan Opera House, various performances, dating from the late 1940s to early 1950s, each signed on the gatefold by a performer. Signers are: Helen Traubel, Irra Petina, Fedora Barbieri, Eleanor Steber, Nadine Conner, Licia Albanese (2), Ljuba Welitch, and Paolo Silveri and Giacinto Prandelli. In very good to fine condition, with small notations to front covers and a couple of loose pages. RR Auction COA.