in pencil in margin, vertical crease but fine appearance. B.P.A. Certificate (1996). S.G. 186, £25,000" /> unused £1 brown-lilac, BD, a very fresh mint example of this rare stamp, marginal from the right of the sheet, inscribed<I> "Orb, bought at, Kilkeel(?) P.O., 30-11-91"</I> in pencil in margin, vertical crease but fine appearance. B.P.A. Certificate (1996). S.G. 186, £25,000 | Christie's