cover 1887 (9 Nov.) insured registered envelope (Royal Post Office wax seal on reverse) to Hamburg bearing 10pf. (1½d.) blue-green and pale carmine (III printing) and 50pf. (6d.) green and lilac-carmine (I printing) neatly cancelled by double arc d.s., showing arrival c.d.s. (9/11) on reverse. Fresh and very fine. M. 14c, 16a. Photo