Item no. P1322 (cover)
Type: cover
Country: Germany
Date of use: 7 November 1998
Commemorative cover honoring 50th anniversary of CARL ZEISS Stamp Collecting Circle [Carl Zeiss Briefmarken Sammlerring]. It bears also special cancellation honoring WALTHER BAUERSFELD (1879 – 1959) design engineer at Carl Zeiss factory, who contributed in designing the first Zeiss-planetarium (1923).