Lanman & Kemp Correspondence from Newfoundland

St. Johns, Newfoundland, December 17, 1862, via Cunarld Line feeder route to Halifax then Cunard Line Europa to Boston.  "BOSTON BR. PKT. DEC. 27 5" exchange office marking.  Paid 4d sterling Saint Johns, Newfoundland to Boston, rated 5¢ due United States postage rate equal to the British Open Mail rate.