Flagstad, Kirsten. (1895–1962) Signed Photograph as IsoldeSigned photograph of the Norwegian soprano in costume for a production of Richard Wagner's Tristan und Isolde. Flagstad has inscribed to Charles Drumheller, tenor and longtime rehearsal pianist at the Metropolitan and Chicago Lyric Opera: "To Charlie Very sincerely yours Kirsten Flagstad" to the lower portion of the image. NBC Artists Service stamp to verso. As was her custom, signature to low contrast portion of the image, light wear to corners, else