Nicola Perscheid; The Bremen art collector Ludwig Roselius; Staatliche Landesbildstelle Hamburg; collection on the history of photography; silver gelatin paper; black and white positive process; image size: height: 22.90 cm; width: 17.00 cm; inscribed: recto u. on the passepartout: in brown ink: Ludwig Roselius - Bremen art collector and patron of the arts; portrait photography; studio photography/studio photography; portrait; half profile (three-quarter view); art collector; dealer; tradesman; merchants