Description
ing. ci kessler, Prague, 7th auction, 26.11.1931, 5129 lots, complete with separate illustration section with 32 photo plates and insert sheet about the viewing options abroad, printed on the front of the cover 'printed in Austria', with 5129 lots, extensive stamp offer especially in Austria, also about 50 lots from a Colombia sheet collection from Paris, shown on 1 1/2 photo plates, note that personal participation in the auction is only possible with a special invitation card #37465