1933, General Balbo Trans-Atlantic Flight issue, 5.25L +19.75L and 5.25L+44.75L, complete set of two triptychs in unfolded sheets of 20, first one has a gum flow affecting top right stamp, full OG, NH, VF and scarce multiples, C.v. $11,500 as single sets, Sassone #S1509, C.v. €17,625, Est. $4,000-$5,000 (Image)

Zeppelin Flights. 1933 (May 29-30), Italy Flight registered postcard, franked by 5 values, including Zeppelin stamp of 3L, tied by Rome ''29.5.33'' ds, blue green confirmation cachet and Friedrichshafen arrival marking, delivered to Niemes (Czechoslovakia), VF, Scott C.v. $300, Sieger #208A (Image)

Zeppelin Flights. 1933 (May 29-30), Italy Flight registered postcard, franked by 5 stamps, including Zeppelin 3L olive brown, tied by Rodi ds, blue green confirmation marking and Friedrichshafen ''30.5.33'' receiver, VF, Scott C.v. $425, Sieger #211A (Image)