duplex and manuscript, a few clipped perfs. at upper right corner. A good example and scarce. S.G. O17, £1,100. Photo " /> used -- ditto, fresh and completely devoid of surface faults, cancelled by<I> "1"</I> duplex and manuscript, a few clipped perfs. at upper right corner. A good example and scarce. S.G. O17, £1,100. Photo | Christie's