Caption:
Rudolph Dührkoop, Mrs. Muthesius, collodion paper, matt, black and white positive process, image size: height: 21,20 cm; width: 16,30 cm, inscribed and dated: recto and on the cardboard, handwritten in green crayon: 1908 Mrs. Muthesius; verso and handwritten on the cardboard in lead: Mrs. Anna Muthesius, née Trippenbach, (former singer), (married to the architect since 1896, Privy Councillor Professor Herrmann Muthesius (1861-1927)), Mrs. Privy Councillor Professor, Muthesius Feb. 1908, measurements and technique, stamp: verso and on the brown paper: dry stamp: recto and left: Dührkoop, 1908, label: verso and on the cardboard: in typescript: Rudolph Dührkoop, Hamburg, Mrs. Muthesius, 1908, portrait photography, portrait, woman, Anna Muthesius