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

120.00

1930, Trans-Atlantic Squadron, 7.70L deep blue and gray, four corner sheet margin blocks of four from a complete sheet of 50, absolutely excellent condition, full OG, NH, VF and rare assemblage for a serious air post collector, each stamp with Bolaffi guarantee hs and signed in pencil, C.v. $14,400 as singles, Sassone #A25, €22,000 without a premium for centering, Est. $7,000- $8,000

1930, Trans-Atlantic Squadron, 7.70L deep blue and gray, left sheet margin block of nine, stamp with "7 Stars" variety in the middle, folded once along horizontal perforation between 2nd and 3rd rows, perfect quality otherwise, full OG, NH, VF, rare and desirable positional piece, each stamp signed by A. Bollafi in pencil, the certificate is included, C.v. $11,200 as singles, Sassone #A25, a, €18,000, Est. $7,000-$8,000

1933, General Balbo Trans-Atlantic Flight issue, 5.25L +19.75L and 5.25L+44.75L, complete set of two triptychs in sheets of 20, the second one has some separation on the left, fresh quality unit without usual toning, full OG, NH,VF and scarce multiples, Sassone #S1509, €17,625, Est. $4,000-$5,000

1934 (October 31), Experimental Airmail Rocket Flight three covers from Trieste, franked by one or two stamps of Military Medal of Valor, all addressed to Germany, each one is bearing two specially produced triangle stamps of 5L and 7.70L, two covers have Thulendorf backstamps, in addition two triangles cancelled on individual pieces, mostly VF, Est. $150-$200

100.00