Samuel Osgood, Board of Treasury. Manuscript free frank signature and endorsement on 1785 folded letter sheet to Nathaniel Appleton commissioner of the Continental Loan Office of the State of Massachusetts, Very Fine. Estimate  $200 - 300. Samuel Osgood was an American merchant and statesman from Andover, Massachusetts. He served in the Massachusetts and New York state legislatures, represented Massachusetts in the Continental Congress and was the first Postmaster General under the United States Constitution. $0 (Image)