Beautifully engraved signed and unissued certificate from the Universal Aero-Transportation Company. This historic document has an ornate border around it with a vignette of an eagle perched on a rock with his wings open and an underprint of an early three engine plane. This item is hand signed by the Company's Secretary. This was printed around 1915. 
Certificate Vignette 
Underprint of an early three engine plane
Certificate Vignette
Underprint of an early three engine plane
