1840 PORT-COLBORNE-UC to USA, part-paid SFL with a scarce PORT-COLBORNE barrel cancel dated OCT21-1840 and addressed to BUFFALO-NY, routing via the LEWISTON-NY Exchange Office, rated PAID 4½d Ccy for the 30 mile distance to the border (under 60 miles) + COLLECT 6¢ for the 25 miles to BUFFALO (under 30 miles), Port Cobourne is only 20 miles to Buffalo but required the log route as Buffalo had no Exchange Office, F-VF est ($75+ US) (Image)

CV.