G. Koppmann & Co; Georg Koppmann; Hamburg State Opera; Staatliche Landesbildstelle Hamburg; Collection on the history of photography; silver gelatin paper; black and white positive process; image size: height: 16.1 cm; width: 22.2 cm; architectural photography; architecture; facade ;house; building; opera house; hist. Building; location; street; vehicles (carriage etc.) covered with animals; Hamburg