Pictured: the YB-49 Flying Wing prototype and stealth bomber inspiration vs. the Convair Peacemaker B-36 that was chosen for production over it. As early as 1938, Germany raised the concept of a ...

mint; multicolored; flying YB-49 Flying Wing; American Advances in Aviation; verso of pane says, "YB-49 Flying Wing / Deemed futuristic in the late '40s, the / all-wing configuration of Northrop's / ...