Thomas McKean was an American lawyer, politician, and Founding Father. During the American Revolution, he was a Delaware delegate to the Continental Congress, wherehe signed the Continental Association, the United States Declaration of Independence, and the Articles of Confederation. contents of this letter: To the department of accounts, The Commanderin Chief of he Militia of the Commonwealth of Pennsylvania certifies That on viewing the 15 pieces of cannon which had been mounted and equipped under the direction of Mathew Shaw it was found nessary to provide fortheir safe keeping and that I ordered a suitable frame building to be erected on the public lot at Philada for housing the said guns with their equipment. Lancaster Feb. 26, 1806 Tho M KeanThe letter is 7.5 x 9.5" and is framed and matted to overall size of 12.5 x 15.5" Condition: Letter has been repaired.