1922, 9th Italian Philatelic Congress at Trieste, black overprint on King Victor Emmanuel stamps of 10c-40c, complete set of four used on commemorative postal card, nice quality, VF, expertized by A. Diena and Raybaudi, Sassone #123-26, C.v. €1,900, Est. $350-$400 (Image)

Air Post Semi-Official stamps. 1926, Umberto Nobile Trans-Polar Expedition, group of five perforated (pair) and imperforated labels, as well as imperforated proof without colors on the Globe (light blue and light beige), all except proof with official seal on reverse, full OG (one has slight foxing), NH, VF, Est. $200-$250 (Image)

Air Post stamps. 1933, Zeppelin issue, 3L-20L, complete set of six, blocks of four, nice quality in every respect, full OG, NH, VF, C.v. $1,320++, Sassone #A45-50, €2,000, Est. $300-$400 (Image)