Item no. P272 (postcard)

Type: postcard

Country: Austria

Date of use: 4 November 1922

Business stationery (postcard) used by the company CARL ZEISS Gesellschaft m.b.H. in Wien (Vienna, Austria). The postage stamps used are "perfins" i.e. stamps bearing small round holes punched to form pattern of an acronym "CZ" – the company’s initials.