WWI De Havilland DH-4 Fabric Piece - Smithsonian Poster

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)