1868-82 1/2p die proof in black on glazed white paper, dated "5 Sep 82" and handstamped "Before Hardening", v.f. (Cat No. 1P) (Image)

Est.$250

1868-82 1/2p die proof in black on glazed white paper, dated "5 Sep 82" and handstamped "Before Hardening", v.f. (Cat No. 1P) (Image)

Est.$250

1890-91 1p on 4p ultramarine, surcharge (type 7b) double, lightly cancelled, v.f., with 1988 Rendon certificate (SG 58a) cat. £325 (Cat No. 32a) (Image)

Cat. £325, Est.$150

1896 "Halve Penny" on 3p ultramarine, surcharge double, one inverted, small h.r., v.f., with 1973 Royal certificate (SG 81) cat. £180 (Cat No. 42b) (Image)

Cat. £180, Est.$100

1900 1p on 1p brown, error of color, h.r., fine, with 1999 Brandon certificate (SG 102a) cat. £600 (Cat No. 45O) (Image)

Cat. £600, Est.$300

1900 1p on 1p brown, error of color, h.r., tiny corner crease, still fine, with 1990 BPA certificate (SG 102a) cat. £600 (Cat No. 45O) (Image)

Cat. £600, Est.$250

1900 1p on 1p brown, error of color, with further wider space between "1" and "d" variety, used, fine, with 1984 Royal certificate (SG 102al; catalogue value is for ordinary error of color without any premium for the variety) cat. £400 (Cat No. 45Ovar) (Image)

Cat. £400, Est.$200

1900 1p on 1p violet, "1d" omitted, also horizontal pair, left stamp with wide space between "1" and "d" variety, l.h., fine-v.f., each with 1968 Royal certificate (SG 102j,l) cat. £190 (Cat No. 45var) (Image)

Cat. £190, Est.$100

1900 2 1/2p on 3p ultramarine, h.r., fine, with 1993 BPA certificate (SG 115) cat. £225 (Cat No. 47c) (Image)

Cat. £225, Est.$100

1900 3p on 3p ultramarine, surcharge double, one diagonal, heavy h.r., v.f., with 1951 BPA certificate (SG 117g) cat. £375 (Cat No. 48l) (Image)

Cat. £375, Est.$200

1900 6p on 6p carmine rose, no period after "V" variety, l.h., v.f., signed Diena, with 1993 Holcombe certificate (SG 108a) cat. £250 (Cat No. 50a) (Image)

Cat. £250, Est.$150

1900 6p on 6p ultramarine, "V.R.I." omitted, h.r., v.f., with 1996 BPA certificate (SG 109c) cat. £500 (Cat No. 51h) (Image)

Cat. £500, Est.$250

1900 1sh on 1sh orange, error of color, used, thin, otherwise v.f., with clear 1991 PFSA certificate (SG 110a) cat. £2500 (Cat No. 52G) (Image)

Cat. £2500, Est.$500

1900 1sh on 1sh orange, error of color, h.r., v.f., with 1983 Royal certificate (SG 121a) cat. £1300 (Cat No. 52j) (Image)

Cat. £1300, Est.$600

1905 4p scarlet & sage green, lower left sheet corner margin strip of three, middle stamp "Iostage" for "Postage" variety, small h.r., v.f., cat. £200 (Cat No. SG 150a) (Image)

Cat. £200, Est.$150