细节
cover -- 1837 entire letter to London, rated "4/9" and with superb step-type "SHIP LETTER/PLYMOUTH" in red across join on reverse; 1839 entire letter to Liverpool, rated "1/7" and with London Ship Letter c.d.s. on reverse; 1856 entire to London with large h.s. "6" (deleted) and with manuscript "6" at left, and 1857 envelope "per Royal Mail Steamer" to London, rated "6" and with Charlotte Town Paid c.d.s. and London Paid c.d.s. in red