Air mail envelope, 7.25 x 4, addressed in type to Edison and postmarked San Francisco, July 1, 1924, signed in the lower left in fountain pen “Thos. A. Edison,” with his usual large paraph. Matted and framed with a portrait of Edison in his laboratory and a quote attributed to Edison, to an overall size of 12.75 x 21.5. Light creasing and soiling to right edge of envelope and a couple cancellation stamps, none affecting signature, otherwise fine condition. R&R COA.
