Edison Botanic Research Corporation business check, 8.5 x 3, filled out in another hand and signed by Edison with his bold ‘umbrella’ signature, “Thos A. Edison,” payable to Otto R. Greiner Co. for $19.80, stamp-dated September 24, 1928. In fine condition, with a central vertical fold, expected cancellation holes, and some light staining along bottom. Pre-certified PSA/DNA and RR Auction COA.
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