Exceptional sepia matte-finish 4 x 5.75 portrait of Marconi by Pach Brothers of New York, affixed to the original 8 x 10.75 studio mount, signed and inscribed on the mount in fountain pen, "To Mrs. Sara Dow, Yours very sincerely, G. Marconi.” Lower right corner of photo bears a 1906 Pach Bros. copyright stamp. In fine condition, with light rippling, and fading, to the image; the signature remains very bold.
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