FIRST FLIGHT NEW YORK-BERGEN, 1935: Illustrated envelope to Brooklyn, USA, with 7 ö. tied by machine cancel "THOR SOLBERGS FLYVNING 1935 USA-NORGE VIA LEIV EIRIKSSONS RUTE 16 VIII 35", on reverse USA 1 c. with seven-line receiving mark, some gum showing through the back flaps, otherwise fine and scarce
