1939 Sy.D3Xz production flaw, the first issue 20h blue, smooth gum, vertical pair with production flaw - 2x vertical hair paper crease in paper; mint never hinged, interesting 1942 CDV9/II, response I. part from double PC Tiso 50h green, sent inlandly, uprated with stamp 20h Sy.49, posting special postmark BRATISLAVA/ CELOŠTÁTNÁ EXHIBITION POŠTOVÝCH ZNÁMOK 23.V.42; good condition 1939 JEZDECKÁ KORÚHEV 2/ GULOMETNÁ ESKADRONA, blue off. framed pmk arrival post with date 20.VIII.1939 on reverse, on franked letter with black PR8, RUŽOMBEROK 19.VIII.1939; good condition, rare 1940 PR33, LIPT. S. MIKULÁŠ / 4-8.VII.1940 / XIX. SJAZD EV. A.V. MLÁDEŽE, large first day sheet with additional-printing Sjazd evanj. and. in/at. youth with 13 print blue special postmark, supplemented with 1 print oranžového arz. mobile post-office (on a bus) to/at same event/-s PRA20 with date 6.VII.40; 2x fold, toned, rare usage, ex Bulant 1940 PR36, NÁDAŠ / 25.VIII.1940, Odhalenie pamätnej table M. Kollára, Un envelope with 3 print blue special postmark; good condition 1940 PR39, RUŽOMBEROK / MOBILE POST OFF. (BUS)/ 29.IX.40/f/ I. telovýchovné vystúpenie H.G., commemorative sheet with blue additional-printing Slovak mobile post office on a bus with emblem, 14 copy-print oranžového cancel. mobile post-office (on a bus); small toned in perforation mounted stamp., ex Bulant 1941 PRA41, ŠTRBSKÉ PLESO / 24.II.41, II. lyžařské majstrovstvá and arm. preteky Slovak. republic, commemorative sheet with additional-printing Štátné klimatické kúpele Štrbské Pleso, format A4, 23 copy-print blue special postmark; good condition