Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Spain - Zeppelin Flight - 1930 (May 20-31), 1st SAF postcard from Barcelona to US, franked by horizontal pair of 4p lake, tied by hexagon ''18.MAY.30'' ds, German (red) and American (type I, violet) confirmation markings (no Spanish), green Lakehurst ''May - 31.1930'' machine arrival hs, VF and scarce, Sieger #58E, C.v. €350, Est. $200-$250, Scott #343