Item no. P2605a (postcard)
Type: cover
Country: Germany
Date of use: 17 July 1942
Business stationery (postcard, front of) used as reference invoice by the company Wilhelm KNAPP Verlagsbuchhandlung in Halle (Saale, Germany), publishing house and bookstore specialized in publications on photography (in the DDR-time renamed to VEB Fotokinoverlag Halle).