1932 ORIGINAL MAP: AIR MAIL ROUTES U.S. POST OFFICE / LINEN-BACKED / RARE/ BONUS COVER
Washington DC: United States Post Office Department, 1932. First Edition. This is an ORIGINAL MAP of the 1932 United States AIR MAIL ROUTES of the Post Ofice Department. The map shows both operating routes and routes awarded but not yet operating. The service was turned over to independent contractors in..... More
























