This is an original b/w 8" X 11" 2 page ad & backside of one page route map,from 1946 oag guide MAGAZINE it is from UNITED AIR LINES-air freight.It is in like new condition...Ad shows a Douglas DC-4 -230 cargo liner  and tells of united's cargo service with extra advantages..(Postage on 1 Ad is the same as for 100)....please visit my e-bay store...nostalgia airways...THE nwa LOGO IS FOR COPYING PURPOSES ONLY,NOT A PART OF THE AD.