Lot 356
1929, Albin Ahrenberg's attempt to cross the Atlantic: registered cover from "RYKJAVIK -9.VI.29" to New York, special three line cachet on reverse "Par aviators Ahrenberg Floden Iceland New York", franked with 2 kr. on 25 a. orange as horizontal pair and additional franking, scarce with only 65 pieces flown, openend out for display, otherwise very fine (Muller.-Nr. 5)
