Previn, André. (1929–2019). Signed Photograph. Candid photograph of the German-American composer, conductor, and pianist in conversation of English orchestra manager John Charles.  Inscribed in ball-point pen, "For John – without who there'd be no orchestra at all! Many thanks – André."  Hand stamp of Anthony Marshall Photographic Service, London, to verso.  Oblong format, 7.5 x 9.75 inches (18.8 x 24.6 cm).  Some wear to edges and sticker residue to lower edge; inscription faded (but clearly impressed).