Wichita - Transportation - Airplanes

8x10 black and white prints: 1. [from Cessna archives; plane says "N 12599"] 2. ["Model 620 that Cessna planned to build" written on back - artist's rendition of plane] 3. [written on back: Model 620 Cessna planned to build - cross section diagram] 4. [written on back: Hello copter Cessna planned to build & sell only one built & flown]