THIS IS AN ORIGINAL B/W 1925 MAGAZINE AD FROM THE COX-KLEMIN AIRCRAFT CORP.AD WAS FOR THEIR NIGHTHAWK MAIL PLANE THE FASTEST MAIL PLANE...131.5 MILES PER HOUR AND UTMOST FOR NIGHT WORK....AD IS IN EXCELLENT CONDITION,MEASURING 4" X 6".....PLEASE VISIT MY E-BAY STORE....NOSTALGIA AIRWAYS....