Philately. [COLLECTIONS] selection of 21 entires, i.a. mailing card for telegram 1919, uprated postcard, Reg letters from 1920´s, many airmail letters, i.a. first flight BELGRADE - WIEN 1927, flights from Split, Zagreb etc.., all with nice frankings, mostly arrival postmarks PRAGUE 82 AIRPORT; various quality (Image 1) (Image 2) (Image 3) (Image)