Attractive 15 x 20" poster issued by the National Air and Space Museum, Smithsonian Institution in the 1970's. This poster is one of 9 total sold over an extended period of time as aircraft in the NASM Collection wee restored. Each poster has a large photo image of the aircraft at the top, a 2x2" piece of actual fabric mounted below and at the bottom a description of the aircraft significance, in the case the famous Dayton Wright DH-4 "Liberty Plane". This particular poster also is serialized as 484/1600. It is is excellent condition with no flaws. (Will be shipped flat)