Portrait of a woman; Staatliche Landesbildstelle Hamburg; collection on the history of photography; daguerreotype; picture size (light measure): height: 6.80 cm; width: 5.80 cm; silver mark: recto o. r. on the plate: rosette; DOUBL? A. GAUDIN; stylized Agnus Dei between crescents; label: verso on the case: in black felt-tip pen: 550/4; in typescript: Sch2/F3; portrait photography; knee piece; sitting figure; woman; headgear