The Buffalo and Lake Huron railway, incorporated in 1856, ran 160 miles from Goderich to Fort Erie. In 1870, the Grand Trunk Railway took over the B. and L.H.
(Source: The Handbook and Catalogue of Canadian Transportation Postmarks by T.P.G. Shaw)
The cover shown in this post features a B. and L.H. R. transit handstamp.
Kinkora to Dublin, November 22, 1862
6d. (12 1/2 cents) rate to Ireland via Canadian Ocean Steamer
Buffalo and Lake Huron Railway transit handstamp
"East November 24"