"Registered"; adhesives with some slight soiling and 1d. (2) creased, the enveope with small bite out of lower-left corner, nevertheless a very rare and visually striking cover. Photo" /> cover -- 1864-79 1d. plate 138, two pairs and a single, used together with 1870 ½d. plate 5, on long envelope to Whitby, cancelled by fair to very fine strikes of the small circular "638" trial of Salisbury, the address panel showing red London Registered datestamp of 11 October 1871 and with manuscript<I> "Registered"</I>; adhesives with some slight soiling and 1d. (2) creased, the enveope with small bite out of lower-left corner, nevertheless a very rare and visually striking cover. Photo | Christie's