1912-22 1/2d and 1d in matching left hand marginal blocks of 30 overprinted "CANCELLED" (type 24) fine mint NH, very fresh and attractive. Rare.

1912-24 2d. intense bright orange, a superb mint NH coil join vertical strip of four, lovely fresh deep colour; a very rare multiple. Cert R.P.S (1972).

1912-24 1/- deep bronze-brown, a superb mint NH block of four from the left of the sheet, lovely fresh deep colour; a super multiple.

1913 1/2d. and 1d. coil leaders (codes G & E) with 11 stamps attached and coil joins between stamps 10 & 11; fresh mint. Rare.

1921 1d. pale scarlet imperf coil trial pair no watermark small faults though very rare coming from the pane of 90 discovered many years ago. Cert R.P.S...

1913 Waterlow 2s6d Van Dyke brown, overprinted SPECIMEN (type 26), large part OG, scarce.

1913 Waterlow 10s indigo blue marginal block of four from the left of the sheet; large part o.g. (lower stamps mint n.h.), a fresh and most attractive...

1913 Waterlow 10s indigo blue mint n.h. block of four, fresh and fine, a rare multiple.

1913 Waterlow 10s indigo mint n.h. corner marginal, very fine; cert. RPS (1977) and Zanaria (2011) (S.G. £1'500 for mint n.h.).

1913 Waterlow 10s indigo-blue fine mint, trace of a mount only, a fresh example.

1913 Waterlow £1 green, a wonderfully fresh and well centred vertical pair from the lower left corner of the sheet; light paper wrinkle vertically not...

1913 Waterlow 2/6d. very deep sepia (Vandyke) brown, a superb mint NH corner marginal example from the upper right of the sheet, a lovely example of this...

1913 Waterlow £1 green, vertical pair from the lower left corner of the sheet, each lightly cancelled by black cds, very fine.

1913-13 £1 yellowish green colour trial with "CANCELLED" type 24 overprint on Joynson paper, mint n.h. right marginal, a lovely fresh example

1913 Waterlow, £1 green overprinted "CANCELLED" in mint l.h. block of four (each stamp lightly hinged), fine and very rare.

1915 De La Rue 2s6d colour trial imperforate in yellow-brown on gummed, watermarked paper, large margins, a fine example.

1915 De La Rue 2s6d mint showing variety "POSTAGE" watermark only inverted lower marginal example, tiny hinge remnant, a great rarity and possibly unique.

1915 DLR 5/- bright carmine mint, large part o.g., a very fine example. (S.G. £650).

1915 DLR 5/- pale carmine mint n.h., fine, fresh and well centred, a lovely example. (S.G. £1'400).

1915 De La Rue 10s bright Cambridge blue used, one short perf. at right improved, fine and scarce.

1918-19 Bradbury Wilkinson 10s dull grey blue mint marginal block of nine from the upper left of the sheet with large part o.g. (four stamps mint n.h.),...

1918-19 Bradbury Wilkinson 10s dull grey blue in block of four and two singles along with three 1s bistre-brown on large commercial envelope to Brazil...

1924 wmk Block Cypher 1/2d to 1s mint n.h. set of 12 with watermark inverted, superb and very difficult to find (S.G. £5'107.50 for mint n.h.).

1924 British Empire Exhibition souvenir telegrams in black and red; superb unused; scarce.

1924 British Empire Exhibition coil wrapper for the 1d. value, produced from sheets with a join every 10th stamp, very rare.

1929 PUC 1/2d to 2 1/2d set of specially prepared imperforate miniature sheets of fourin the issued colours on thin glazed paper, each mounted in a gold...

1929 PUC 1/2d to 2 1/2d mint n.h. imprimaturs, all left marginal, with "BPMA" hs on reverse, very fine and rare set.

1929 PUC 1/2d. "K29" mint control block of 60, Pl 2, variety watermark inverted, a rare multiple.

1929 PUC 1/2d. to 1 1/2d. set of three imperforate imprimaturs with inverted watermark, mint NH, the reverse with "BPMA" handstamp; scarce.

1930c. Bradbury Wilkinson & Co. "Ancient Briton" imperforate sheet of 100 dummy stamp essay in indigo; most attractive and scarce in a complete sheet.

1934 1 1/2d. red brown intermediate format, imperforate tete bêche imprimatur booklet panes with advert No 4, the margin at foot with manuscript "Cylinder...

1934 2/6d. brown re-engraved, top four rows of the sheet, very fine mint NH; a spectacular multiple.

1934 Re-engraved set to 10/- in mint n.h. corner marginal blocks of four; an attractive set.

1935 Silver Jubilee 1 1/2d imperforate colour trial (design 3) in pale brown, mounted on card; very rare with only six examples known, each in a different...

1936 KGV 1 1/2d memorial essays, eight vertical pairs (eight imperf) on archive piece entitled "Coated paper", with four on the left endorsed "first etch"...

1936 5d. magenta, overprinted "CANCELLED" type 33, large part OG, horizontal crease not detracting from the very fine appearance of this unique example...

1937-47 4d grey-green, unused imperforate top sheet marginal block of four, showing post office training cancel, unusual & scarce.

1937-47 11d Plum group with single franking on cover to France, cover with India with 11d and 1d and mint n.h. lower left corner pair with "spot in G"...

1939-48 Arms High Values 2s6d to £1 set of six imprimaturs, mint n.h., all side marginals, the £1 brown perforated, each with "BPMA" handstamps on reverse,...

1941-42 1/2d pale green mint n.h. imperforate pair from the left of the sheet, a very rare variety; cert. Brandon (2022).

1955-58 Wildings (wmk St. Edward's crown) 1/2d to 1s6d set of 18 imperf. imprimaturs, all mint n.h. left marginals with "N. P. M. Imprimatur" handstamps...

1957 Scouts 2 1/2d., 4d. and 1/3d. coil leaders, with 12, 15 and 10 stamps attached (series 5 on each leader); very rare with only 49, 37 and 33 coils...

1958 2d. light red brown (crisp print) "Dollis Hill Phosphor Trial" very fine perforated block of four on ungummed, unwatermarked specially prepared handmade...

1959 Wildings 3d deep violet "Dollis Hill Phosphor Trial" perforated block of four on gummed crowns wmk (sideways left) paper, with one 4mm blue phosphor...

1961 Post Office Savings Bank set of three mint n.h. imperf. imprimaturs with "BPMA" hs on reverse, the 2 1/2d lower marginal and the 3d & 1s6d from lower...

1961 Post Office Savings Bank 3d mint n.h. with orange-brown omitted variety, very fine, incl. normal for comparison (S.G. Concise 2025 £400).

1964-1970, small collection of modern errors incl. missing colours, phosphors missing or misplaced and missing embossing, with commemoratives and definitives,...

1964 Geographical Congress 4d mint n.h. with violet (face value) omitted variety, very fine and fresh, incl. normal for comparison (S.G. Concise 2025 £225).

1964 Geographical Congress 8d (phosphor) imperf. imprimatur in mint n.h. lower right corner marginal vertical pair with traffic lights in margin, "BPMA"...

1965 ITU Centenary 1s6d with error pink omitted, mint n.h., very fine and scarce (S.G. £2'200).