Arrowhead or Pumpkin Seed?

[The Artist]

I'm not sure what to make of this image. The caption reads 'Perhaps these "flying saucers" will be the airplanes of tomorrow.'

I found this in Airplanes of the Future by Don Berliner, Learner Publications, 1987

 

[hesham]

My dear Artist,


the picture was inverted,that's regular.