UN-NY C13, 20¢ 1968 Airmail Issue on First Flight Cover, VF, addr neatly typed, w/green cachet "FIRST FLIGHT/NEW YORK TO VIENNA/(pictorial of violinist)/AUA AUSTRIAN AIRLINES". Stamp tied to cvr w/cds pmk "UNITED NATIONS/APR1/PM/1969/NEW YORK". Receiving pmk is on front "WEIN/111/-2.-4.69-17/1160". (Image)

$10