Bidspirit auction | Worldwide Air Post Stamps and

Worldwide Air Post Stamps and Postal History - Denmark - Pioneer Flights - TEMPORARY ICE AIRMAIL SERVICE: 1940-42, 19 covers delivered during January- March of each year by Danish Air Forces or German military airplanes, nicely franked and illustrated with map and flight itineraries, bearing all appropriate markings, well described on stockpages, VF and rare group, ex-Otto Luening prominent air post specialist, Est. $800-$1,000