Signer of the Declaration of Independence, Governor of Pennsylvania. Partly printed DS on vellum, one page, 21 x 12, The Commonwealth letterhead, October 10, 1806. Land grant issued to Robert Blackwell, et al for approximately 1100 acres in Potter County. Signed in the upper left by McKean. In very good condition, with trimmed edges, scattered creasing, folds. R&R COA.
