Item no. P177b (cover)
Type: cover (back of)
Country: USA
Date of use: 3 February 1915
Business and advertising stationery (cover, back of) used by American division of German company OPTISCHE ANSTALT A. Hch. Rietzschel (founded in 1896), manufacturer of photographic lenses and cameras.
Back of the cover presents a selection of offered photographic products.
The letter was addressed to V. AVRIL Optische Glasfabrik (Optical Glass Works) in Zabern (Germany).
Back of the postcard presents a selection of offered photographic products.