1928 - 1939, collection mainly German Zeppelin covers and -cards, as well good frankings like D. R. Michel-no. 496-98 on cover the Chicago travel, in addition to it unused and cancelled Zeppelin stamps like D. R. Michel-no. 438-39, 438-39 on DOX letter, 456-58, 496-98, 496 on air mail letter to Capetown, in addition to it a few European sets as well contemporary material to approximate 2016.