Cunard Line "Canada", Boston - Liverpool 24th October - 4th November 1855. Entire dated "Providence, Rhode Island 10th Mo. 23d. 1855" (Quaker date format) addressed to London. Prepaid the 24 Cents rate of February 1849 using 1851, 12¢ black, horizontal pair. Reverse bears "BOSTON BR PKT / OCT / 24" departure stamps and London arrival for November 5th. "19" Cents credit to Britain. Atlantic transit of 11 days, Very Fine. Scott No. 17  Estimate $600 - 800. $0 (Image)