straightline handstamp on partial folded letter to Chester Town, Maryland, matching "Paid" handstamp and manuscript "6" [d] rate reflecting the 2dwt rate converted to British pounds sterling, cover light faulty but a very fine strike, according to Siskin one of four recorded uses of this postmark in private hands, the 2dwt rate reflects the 25% reduction in rates in April 1788 (ASCC $2,000)