1918//1934, Hungary, group of 5 Airmail sets of stamps all MNH.1918 Airmail - Parliament Stamps of 1917 Surcharged, set of 2V. 1.50/75Kr ; 4.50/2Kr Scott. 239‑240.1920 Airmail - Parliament building with 'Air post' overprint, set of 3, 3/10Kr - 12/10Kr, Scot. 348‑350; Mi. 319-321; SG 401-403.1927 Airmail, set of 8, 12f-80f. Scot. 459‑466 ; Mi: 430-437,  ; SG 479-486  ; 1930 Airmail set of 4, 4f.-5p Scott 496-499; MiNr: 467-470 MNH.1934 Hungary, First Block - Philatelic exhibition 50th anniversary of the First Patriotic Stamp Collectors   Mi. BL1 ; Yt:BF1;  SG MS568,MNH CV €200.