1930/34, interesting collection "Balbo-Flug" 1930 with among others first flight letter with 18 signatures of the pilots and 12 different special cards with photos of the squadron pilots (all used with vignettes and commemorative stamps), additionally stamps and two special cards for the postal flight "Rome - Buenos Aires", clean on self designed album sheets, additionally some literature and pieces from auction catalogues, ex Dr. Findheiss