Charleston. July 14, straightline postmark on 1794 folded letter to Philadelphia with ms. "25" cents rate, ink bleed just touches marking, still very fine and a choice strike. (Image)

Est. $150-200

NEW/YORK, brown bold two line colonial postmark on reverse of 1765 folded letter dateline at Perth Amboy, N.J. to London, colonial and London Bishop marks and ms. 1/- rate on front, very fine. (Image)

Est. $150-200

NEW/YORK, mostly clear brown two line colonial postmark on 1767 folded cover from Newtown, Ct. to London, with colonial and London Bishop marks, ms. 2/- double rate on front, fresh and very fine. (Image)

Est. $150-200

NEW/YORK, well struck brown colonial two line postmark on fresh folded cover from Jamaica N.Y. to London, colonial and London Bishop marks, ms. 1/- rate on front, very fine. (Image)

Est. $150-200

PORTSMOUTH, red straightline postmark on September 25, 1786 folded letter and in black on January 25, 1788 folded letter, both addressed to the same recipient in Boston with ms. "2" pennyweights rate, remarkably fresh, extremely fine (Image)

Est. $200-300

PRENTIS-VALE-PA/JUN-18, mostly clear straightline postmark on small bluish cover to Paris, Maine, matching fancy "PAID" and "3" handstamps, endorsed "Via N.Y. & Erie R.R.", very fine and scarce. (Image)

Est. $100-150

NEW ORLEANS,/ALEXANDRIA &/NATCHITOCHES/PACKET/P. DALMAU, oval handstamp on 1853 folded letter from Alexandria, neat "Paid/E.A. Dentzel/Agt P.O./N.O."" handstamp, fresh and very fine. (Image)

Est. $100-150

RED RIVER/PACKET/ST CHARLES., clear red double oval handstamp on 1852 folded letter to New Orleans datelined at Alexandria, entered the mails with red "New Orleans, La./Jan 30" datestamp and matching "WAY/6" handstamp, very fine. (Image)

Est. $150-200