to London, bearing 6d. dull purple pair (one with small tear) with a light strike, fine P5 and London Paid c.d.s. in red. Photo" /> cover 1867 (18 Feb.) envelope<I> "Via Halifax"</I> to London, bearing 6d. dull purple pair (one with small tear) with a light strike, fine P5 and London Paid c.d.s. in red. Photo | Christie's