Edison Botonic Research Corporation business check, 8.5 x 3, filled out in another hand and signed by Edison, payable to George Leach for $60.00, stamp-dated September 11, 1928. Two vertical folds, one through a single letter of signature, mounting remnants along top edge (which could be trimmed off), a small brush to beginning of signature, and expected cancellation holes, otherwise fine condition. A nice example of Edison’s umbrella signature. Pre-certified PSA/DNA and RRAuction COA.
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