S.G. #Z2, Great Britain 1858 2d Blue Pl. 7, a horizontal pair, FE-FF, both values lightly cancelled by "A05" barred oval, some short perforations and faint diagonal crease not being apparent on front, otherwise fine and rare (S.G. £3,200+; Scott #A3; $3,200.00+); ex-Hall and "Staircase" collection. (Image)

Est. $500-750

S.G. #Z3, Great Britain 1857 4d Rose, exceedingly fresh, centered to upper right, attractively cancelled by "A05" barred oval, some clipped perforations, otherwise fine; 1984 R.P.S. certificate (S.G. £475; Scott #A4; $475.00); ex-"Staircase" collection. (Image)

Est. $100-150

S.G. #Z4, Great Britain 1856 6d Lilac, remarkably fresh and displaying a superb strike of the "A05" barred oval, faint crease not being visible on front and couple of usual perforation corner creases, rare with this great eye appeal (S.G. £375; Scott #A5; $375.00). (Image)

Est. $150-200

S.G. #Z5, Great Britain 1856 1/- Green, very clearly cancelled by "A05" barred oval, trimmed at right just touching the design at bottom and corner crease at top left, very rare and desirable (S.G. £2,750; Scott A6; $2,750.oo); ex-Hall and "Staircase" collection. (Image)

Est. $400-500

S.G. #1, 1859-60 1d Reddish lake, thick paper, a rejoined irregular block of six from the top of the sheet, containing one pair and one block of four, each horizontal row crossed by ink line, with this usage being believed to be of specimen status, good margins, original gum, diagonal crease in margin, otherwise very fine. (Image)

Est. $200-300

S.G. #1, 1859-60 1d Brownish lake, thick paper, ample margins, neatly cancelled leaving head quite clear, tiny repair in top right corner not affecting the very fine appearance; photocopy of 1957 R.P.S. certificate; (S.G. £2,250; Scott #1b; $2,850.00); ex-Caspary and "Staircase" collection. (Image)

Est. $400-500

S.G. #1, 1859-60 1d Reddish lake, thick paper, good margins, showing central strike of "A05" barred oval" and part of French entry c.d.s. at base, slight thinning at lower left, otherwise very fine and with a rare foreign postmark; 1990 B.P.A. certificate (S.G. #1, £2,250; Scott #1a, $2,850.00); ex-"Staircase" collection. (Image)

Est. $400-500

S.G. #2, 1859-60 1d Dull lake, complete mint sheet of 60 with almost full original gum, bright color and remarkable freshness, showing complete sheet margins, slight peripheral tone spots not affecting the designs, one of the finest of the few existing sheets (S.G. £3,900 as singles; Scott #1; $4,500.00 as singles); ex-Charlton Henry. (Image)

Est. $1,500-2,000

S.G. #2, 1859-60 1d Pale lake, complete mint sheet of 60 with full original gum, very fresh with large balanced margins all around, only one faint crease affecting part of the top horizontal row, still though very fine and rare (S.G. £3,900; Scott #1; $4,500.00). (Image)

Est. $750-1,000

S.G. #3, 1860 1d Lake, clean-cut perforation, slightly centered to upper left, with faint strike of the "A05" barred oval leaving the design quite clear, small thin at top, otherwise fresh and fine; 1959 R.P.S. certificate (S.G. £750; Scott #2a, $950.00). (Image)

Est. $150-200

S.G. #4, 1861-62 1d Lake, horizontal pair, unused without gum, fine and unusual; 1978 B.P.A. certificate (S.G. £1,300+; Scott #2, $1,850.00+ with gum). (Image)

Est. $200-300

S.G. #5, 1861 4d Dull rose, an extraordinary marginal example from the top of the sheet, very infrequently showing its design complete within ample margins, fresh with original gum, extremely fine; 1990 Brandon certificate (S.G. £1,400; Scott #2, $950.00). (Image)

Est. $400-500

S.G. #7, 1861-62 1d Lake, quite well centered for this value, part original gum, one short perforation at right, otherwise fine and attractive; (S.G. £2,250; Scott see note for #2, $2,250.00). (Image)

Est. $300-400

S.G. #11, 1862 6d Lavender-grey, clearly cancelled by "A05" barred oval, fine (S.G. £500; Scott #7, $625.00). (Image)

Est. $100-150

S.G. #12, 1862 1d Carmine lake, showing various light strikes of the "A05" barred oval, ironed-out diagonal crease not detracting from the very fine appearance; photocopy of 1986 R.P.S. certificate, contrarily to our discernment stating S.G. #13 (S.G. £950; Scott #5d, $1,100.00); ex-"Staircase" collection. (Image)

Est. $150-200

S.G. #13, 1862 1d Lake, a fresh example with original gum, very fine (S.G. £2,500; Scott #5c, $2,850.00). (Image)

Est. $500-750

S.G. #14, 1862 4d Dull rose, refulgent color, exhibiting a magnificently clear strike of the "A05" barred oval, corner perforation creased, of little significance, otherwise fine and rare; 1988 Brandon certificate (S.G. £2,000; Scott #6a, $1,400.00); ex-"Staircase" collection. (Image)

Est. $400-500

S.G. #16, 1862 1d Carmine lake, two examples featuring different shades, one with original gum and small thin spot at top, the other, very fine, unused without gum and 1967 R.P.S. certificate (S.G. £1,800; Scott #8a, $2,300.00 for both with gum). (Image)

Est. $200-300

S.G. #17, 1862 1d Brown lake, two examples showing slightly contrasting shades, one with part original gum and tiny thin, the other unused without gum, a fine duo (S.G. £1,500; Scott #8a, $2,300.00 for both with gum). (Image)

Est. $200-300

S.G. #18, 1862 4d Dull rose, unused without gum, fine (S.G. £2,750; Scott #9, $3,500.00 with gum). (Image)

Est. $400-500

S.G. #18, 1862 4d Dull rose, an attractive example, centered to upper right, being slightly cancelled showing just few bars of the oval numeral handstamp, leaving the head visible; 1986 Brandon certificate (S.G. £475; Scott #9, $475.00). (Image)

Est. $75-100

S.G. #19, 19a, 1862 6d Lavender grey and 6d Lilac, two examples featuring the shades of this denomination in this perf. 13 issue, both quite cleanly cancelled, the former with lightly stained perfs. at top left and light corner crease at lower right, accompanied by 1965 R.P.S. certificate, ex-"Staircase" collection, the latter being very fine (S.G. £925; Scott #10, 10a, $1,175.00). (Image)

Est. $150-200

1863-77 4d Dull rose, imperforate plate proof, watermark reversed, clear to ample margins, trace of soiling at top, otherwise fine with original gum; 1975 R.P.S. certificate. (Image)

Est. $150-200

1863-77 6d Violet, imperforate plate proofs, two very fresh examples, with and without gum, showing good to large margins, a very fine duo. (Image)

Est. $400-500

S.G. #27, 1863-77 4d Dull rose, three unused examples including two with o.g., of which one with 1967 R.P.S. certificate, the other affected by horizontal gum crease at top, and short perforations at right a fine trio (S.G. £1,200; Scott #13, $1,125.00). (Image)

Est. $200-300