Lot 4490
Steinway Patent Document. A fine, vellum document assigning the rights of the patent of Henri Bonneville, of Piccadilly, Middlesex County, for "Improvements in Metallic Action Frames for the Piano-Forte" to Theodore Steinway, "Manufacturer, of New York," May 13, 1869, 21 x 14½ inches. It is embellished by a one-pound, 15-shilling, blue, blind-embossed seal with metal insert, a London date stamp with crown on the recto, with tax stamp, a nice, complete red seal of Bonneville, and Great Seal stamp of the Patent Office on the verso. A spectacular display item. With a 6½ x 8 in. transmittal document attesting to the registering of this patent assignment, bearing a five-shilling seal overprinted with a stamp of the Patent Office.
Estimated Value $300 - 500.
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| Realized $299 |
