CALLAS MARIA & BERNSTEIN LEONARD: Maria Callas (1923-1977) American-born Greek soprano, & Leonard Bernstein (1918-1990) American Conductor & Composer of West Side Story (1957). An excellent and rare vintage signed 4 x 5.5 photograph by Callas and Bernstein, the image showing Callas standing in a half-length pose, alongside Bernstein, also standing in a half-length pose before a piano, indicating something to Callas while pointing out some precise indications on a musical score. Photograph by Erio Piccagliani for Teatro Alla Scala, Milan. Individually signed ('Maria Callas') in bold black ink to a clear area of the image and `Leonard Bernstein´, in bold blue ink above Callas´ signature to a clear area of the image. VG