1946 Constitution XR6O-1 Lockheed model 89, 85164
Redesignated XR6V-1 in 1950.
Four 3000 hp P&W R-4360-22W
Note, The building in the background is a hangar of Slick Airways. One of the first Air Freight companies started in March of 1946 with a fleet of ten military surplus C-46E. "Ship the Slick way, the Airway"