1918 (August 1), Vienna-Lemberg (Lwiw) Pioneer Flight postcard, franked by 1.50k/2k lilac, 2.50k on 3k ocher and 4k gray, overprinted ''FLUGPOST'', complete set of three on white paper, ''2.VIII.18'' arrival ds, mostly VF, Est. $200-$250 (Image)

1959, International Hunting Council, 1s-3.50s, imperforate complete set of four, all with wide bottom margins, full OG NH, VF, ANK #1079-82U, €1,000 (Image)

1962, the Beethoven House, 2.20s green, right sheet margin block of four, imperforate vertically and horizontally between stamps, perforated 13¾ at top and bottom only, full OG, NH, VF and scarce multiple, not listed in the ANK Cat., Est. $300-$400 (Image)

1964, 2nd Parliamentary and Scientific Conference, 1.80s black and emerald, top right corner sheet margin horizontal imperforate pair, full OG, NH, VF, ANK #1182U, C.v. €800++ (Image)

1929 (April 23-25), Mediterranean Sea Flight two postcards to Sweden or Spain, first one is stationery card uprated by 3 values, the other one franked by 6 stamps, both tied by Vienna ''19.IV.29'' ds, Friedrichshafen connection and red flight cachet, the last one dropped at Seville ''25.ABR.29'', Sieger #24 var, Seville drop is not listed, Frost #127-19, C.v. $1,200, in addition 3 newspaper clippings about Austrian Flights (Image)