1936, Dollfuss, 10s dark blue, nicely centered and post office fresh, full OG, NH, VF, C.v. $1,100 (Image)

Air Post stamps. 1919-26, Vienna - L'viv Flight, surcharges and overprint on definitive stamps of 1916, imperforated complete set of three printed on grayish paper, no gum as issued, in addition Airplane and Crane 15g red violet, left sheet margin vertical imperforated pair, full OG, NH, all are fresh and VF, C.v. $450 for the first set only (Image)

Air Post stamps. 1935, Airplane over Landscapes, 5g-10s, complete set of 15, full OG, NH, VF, C.v. $150 (Image)

Semi - Postal issues. 1936, Inventors, 12g-64g, imperforated complete set of six, nice enlarged margins, no gum as produced, NH, VF, Mi #632-37U, €1,200 (Image)