1852-57 7½d. yellow-green (2) plus 3d. red (2) on hard wove paper, all neatly cancelled by 4-ring "1" on 1857 (21 Nov.) double rate mourning envelope registered from Barrie to London, showing despatch datestamp, manuscript "6", straight-line "REGISTERED" and "Crown/REGISTERED" h.s. in red with arrival datestamp (7.12) on reverse. A magnificent and important cover to England carried on the Cunard Line ("Arabia" which departed from New York on 25 November). A superb exhibition showpiece