Salem. Straight line postmark on 1783 folded letter sheet to Congressman Samuel Holton in Philadelphia, Pa., with matching "Ju 18" Franklin mark and straight line "Free" handstamp, Very Fine. Estimate  $750 - 1,000. Samuel Holton was a Continental Congressman, Signer of the Articles of Confederation and elected president pro tempore of the Continental Congress in August 1785. $0 (Image)

Salem. Red straight line postmark with matching "14 Ma" date stamp below on 1783 incoming folded letter from Nantes, France, manuscript "2.16" rate at right, Very Fine, a very scarce American Confederation period postmark. Estimate  $500 - 750. $0 (Image)

Salem. Greenish black straight line postmark with "MY 9" date below on 1786 folded letter to New York City, with "1/8" and "3.8" rates, Very Fine. Estimate  $300 - 400. $0 (Image)