Large Lot of 40+ Antique Stampless Letter Covers, nearly all to Joseph Hopkinson (1770-1842). The addresses provided vary from Washington D.C. and Philadelphia, but they are stamped from a wide variety of locations over a nearly 20-year period, so some cities are represented multiple times and in multiple variations. Stamped locations include New Bern, Princeton, Cambridge, Frankford, Salem, New York Ship, Baltimore, Philadelphia, Boston, Washington D.C. From the Francis Hopkinson Family Archives