?Final Price Realized includes Buyer’s Premium added to Hammer Price
Estimate: $ 400 - $ 600
WEBSTER, DANIEL. Partly-printed vellum Document Signed, as Secretary of State, granting a patent to Abram S. Valentine and Bellefonte Penn for their "Improvement in the construction of Steam boilers." Countersigned by Commissioner of Patents Henry L. Ellsworth. With an ink and wash diagram on paper and an additional vellum leaf describing the improvement in detail. 4 pages, 15 1/2x12 inches; damaged remnants of silk ribbon attached to first leaf, some cockling to upper portion of first leaf, folds, paper repairs to verso of drawing, minor dampstaining to lower edge of drawing, moderate foxing to final leaf overall, paper seal intact. Washington, 6 August 1842
