Item no. P2840 (COD form)
Type: cover
Country: Poland/Germany
Date of use: 5 September 1942
Business stationery (COD form [nachnahme]) used by the company ERO Photochemische Industrie [ERO Wytwórnia Fototochemiczna] in Posen (Poznań, Poland), manufacturer of photographic films, plates, papers and chemicals, including developers, fixers, toning baths and flash powders. The company was established in 1931 by Władysław Kaiser. In 1940 (during German occupation) it was taken over by German authorities.