1840 1p black, lettered "I-I", margins all around, cleaned (appears unused), fine, with 2020 BPA certificate (SG2) (Cat No. 1) (Image)

Est.$100

1841 1p red brown, Plate 45, lettered "O-H", unused with traces of original gum, margins all around, v.f., with 2020 BPA certificate (SG 8 - Spec. B236H) cat. £600 (Cat No. 3) (Image)

Cat. £600, Est.$150

1841 2p blue, Plate 3, lettered "C-J", unused with original gum, l.h., margins all around, color slightly oxidized ("sulphurised"), otherwise v.f., rare unused, with 2020 BPA certificate (SG 14) cat. £5000 (Cat No. 4) (Image)

Cat. £5000, Est.$750

1841 2p deep full blue, Plate 4, lettered "M-A", unused without gum, margins all around, fresh and fine stamp, rare unused, with 2020 BPA certificate (SG 15) cat. £6500 (Cat No. 4b) (Image)

Cat. £6500, Est.$750

1841 2p blue, Plate 3, lettered "O-J", variety showing "J" flaw, unused with original gum, h.r., margins all around, color "a trifle dull", thin spot, otherwise fine, rare unused, with 2020 BPA certificate (SG 14, Spec ES11.i) cat. £6500 (Cat No. 4var) (Image)

Cat. £6500, Est.$500

1847 1sh pale green, two singles (overlapping, margins touching on sides) on outer FL to New York, "446" obliterator cancels, Liverpool transit on reverse, fine, with 1989 Diena cert. (SG 54) cat. £2900 (Cat No. 5) (Image)

Cat. £2900, Est.$500

1852 (8 Jan) outer FL franked with imperf. 1d red brown and 1sh green (embossed), the latter with full margins, except clipped corner at lower left, tied by "809" numerals, with corresponding Gateshead departure pmk on back, sent via Ostende to Amsterdam, fine combination franking, with arrival pmk, 1999 BPA certificate (Cat No. 5) (Image)

Est.$300

1847 10d red brown, ample margins to touching at bottom and at right, showing part of adjoining stamp at left, cancelled by grids on outer FL used in 1850 from London to Florence, red "P P" and French entry cds, charged "12" (decimes), with Firenze arrival pmk on back, addressee's name obliterated by pen, fine (SG 57) cat. £3200 (Cat No. 6) (Image)

Cat. £3200, Est.$500

1854-55 2p blue, perf. 14, lettered B-L, unused (regummed), slightly toned ("soiled" according to the certificate), fine appearance, a rare stamp, with 2020 BPA certificate (SG 23) cat. £13000 (Cat No. 13) (Image)

Cat. £13000, Est.$750

1855 4d rose carmine, used in combination with 2d blue (pl.7) on FL from London to Genova, with 12 Oct 1858 arrival pmk, fine (Image)

Est.$200

1855 1d red brown, 4d rose and 1sh green, used in 1859 on registered FL from Bristol to Trieste, neat Bristol cds and red London registered oval, crayon due markings, backstamped on arrival, fine three color franking, signed Raybaudi (Cat No. 11,26,28) (Image)

Est.$500

1855 4p rose, used on FL from Sheffield to Paris, tied by "700" obliterator and Sheffield (Nov.7) cds, with Calais cds alongside, fine, signed Raybaudi (SG 62) cat. £780 (Cat No. 22) (Image)

Cat. £780, Est.$250

1855 4p rose, vertical pair, used in 1856 on FL from London to Trieste, heavy cancellations, with large "England par Autriche" datestamp, Trieste arrival on reverse, fine, signed Raybaudi (SG 62a) cat. £1230 (Cat No. 22) (Image)

Cat. £1230, Est.$150

1856 6p deep lilac, small h.r., faint natural gum crease, fresh and fine stamp, with 2013 BPA cert. (SG 69) cat. £1800 (Cat No. 27) (Image)

Cat. £1800, Est.$500

1856 6d pale lilac, two horizontal pairs, paying 24 pence on cover from Southampton, sent via the British Post Office in Panama (May 22, 1862) to Guayaquil, Ecuador, cover and stamps refolded at top, minor backflap mending, otherwise fine, with Holcombe certificate (Cat No. SG 70) (Image)

Est.$250

1858-69 2p deep blue, selection of seven, Plates 7, 8, 9 and 12 through 15, complete as issued, mostly h.r. (Plates 8-9 unused), few minor flaws and trifle oxidized (sulphurised), few pencil signed, scarce group (SG 45,47) cat. £8600 (Cat No. 29-30) (Image)

Cat. £8600, Est.$1,000

1860-70 1 1/2p dull rose, two singles, Plates 1 and 3, h.r., slightly oxidized, otherwise fine, pencil signed (SG 52) cat. £1225 (Cat No. 32) (Image)

Cat. £1225, Est.$200

1864 1p rose red, lower right sheet corner margin "184" imprimatur, l.h., various pencil signatures, fine positional piece (SG 44) (Cat No. 33) (Image)

Est.$250

1867 3p rose, Plate 10, wing margin at right, h.r., few natural wrinkles, otherwise fine (SG 103) cat. £875 (Cat No. 49) (Image)

Cat. £875, Est.$150

1867 2sh deep blue, Plate 1, lettered "E-E", unused with original gum, small h.r., reperforated at left (to reduce a wing margin), otherwise fine, rare unused, with 2020 BPA certificate (SG 119) cat. £5000 (Cat No. 55) (Image)

Cat. £5000, Est.$500

1867-80 1sh green, Plate 4, small h.r., slight peripheral toning, well centered and fine stamp (SG 117) cat. £975 (Cat No. 54) (Image)

Cat. £975, Est.$200

1867-80 1sh green, Plate 7, top sheet margin imprint block of four, heavy h.r., usual centering, fresh color, scarce positional multiple, with 1984 Diena certificate (SG 117) cat. £7750 (Cat No. 54) (Image)

Cat. £7750, Est.$2,500

1867-80 2sh pale brown, unused with original gum, heavy h.r., fresh color, creased, with short perfs at top, fine appearing example of this rare stamp, with 2020 BPA certificate (SG 121) cat. £30000 (Cat No. 56) (Image)

Cat. £30000, Est.$1,500

1873 1sh green (pl.8,9), used in 1873 and 1874 on separate FLs from Manchester and London to Madrid and Malaga respectively, fine-v.f. covers to Spain, each with arrival pmk (SG 150) cat. £480 (Image)

Cat. £480, Est.$250

1873 1sh green (pl.12), used in 1875 on cover from London, via Brindisi to Bombay, tears including backflap, otherwise fine, with Sea Post Office arrival pmk, fine single franking on cover to India (SG 150) (Image)

Est.$200