1931 Polar Flight cover franked with 4M brown, tied by Friedrichshafen cds, Icebreaker "Malyguin" pmk below, v.f. Berlin drop mail to Franz Josef Land, with 2001 Schlegel certificate, cat. $825 (Cat No. C42) (Image)

Cat. $825, Est.US$200

1933 Chicago Flight picture postcard addressed to Barcelona, franked with 1M carmine, used in combination with 40pf Hindenburg, each canceled on board 28.10.33, triangular Chicago Flight cachet and Seville drop arrival pmk on back, v.f., cat. $425 (Cat No. C43) (Image)

Cat. $425, Est.US$200