GB USED ABROAD: 1857 1d rose-red cancelled with vertical “A13”, signed on reverse by Peter Holcombe, a fine example of this rare usage, SG Z1: Estimate £1000-£1500 (Image)

GB USED ABROAD: 1856 6d lilac cancelled with a complete “A13” numeral, a few short perfs at left, rare usage, ex Derek Seaton, BPA cert. (1999), SG Z3: Estimate £500-£600 (Image)

1938-47 set of twelve Plate blocks of four, with duplicated extra blocks to 1/- (sixteen), fine unmounted mint. Collected for printings, many blocks dated on the selvedge, ex the SG reference collection. A lovely group. SG 110-121: Estimate £180-£220 (Image)