cover -- 1871 (29 Jan.) envelope (minor faults) to Copenhagen, bearing 1867 3d. Pl. 5 and 1/- Pl. 4, both tied by vertical "C51" obliterator, showing "ST THOMAS/PAID" and London Paid transit c.d.s. (13.2) with oval-framed "PD", all in red. An attractive franking. Photo