1865: Cover with full original contents, from Portishead to Captain Mairis on 'H.M.S. Severn' at Yokohama, Japan endorsed 'via Southampton', franked by single 1864 6 d. lilac, hairlines, tied by 'Bristol / 134' duplex (Feb 3) in black. Reverse with Portishead cds and London transit cds. A fine and scarce cover to an unusual destination.