1924-36 Issues. 1934-35 Harrison 1/2d green mint n.h. top marginal pair of tête-bêche booklet panes of six imperforate imprimaturs, with "BPMA" handstamp on reverse, some gum wrinkling as prevalent throughout the sheets, nevertheless very scarce in this format. (Image)

1924 1/2d green overprinted "SPECIMEN" type 32 in mint block of four (only one stamp showing the merest trace of hinge), very rare and most likely unique as a block (S.G. Spec N33ua). (Image)

1924-26 Wmk Block Cypher 1 1/2d red-brown, watermark sideways, mint imperforate imprimatur vertical gutter pair from the sideways coil printing, each with "BPMA" hs on reverse, hinged in the gutter with some minor wrinkling, very fine and scarce. (Image)

1924 10d turquoise-blue overprinted "Specimen" type 32, mint o.g., very fine and rare (S.G. Spec N44u). (Image)

1929 PUC Set of 3 Booklet Panes variety Wmk INVERTED; mint n.h. Good Perfs.; scarce. Cert. R.P.S. for all three. (Image)

1929 PUC 1 1/2d mint n.h. block of four from the top of the sheet, the lower left stamp showing variety "1829" for "1929", fine and scarce. (Image)

1929 PUC 2 1/2d mint n.h. with variety watermark inverted, fine and scarce (S.G. £3'750). (Image)

1929 PUC £1 black mint n.h. left marginal, tiny speck of missing gum mentioned for accuracy, very fine (S.G. £1'100 for mint n.h.). (Image)

1929 PUC £1, fine used marginal block four four from the lower left of the sheet, each cancelled by Guernsey registered oval ds, a scarce multiple. (Image)

1929 PUC £1 black, mint example from the foot of the sheet, large part o.g. (toned); not detracting from the fine appearance (S.G. £750). (Image)

1929 PUC £1 black, a well executed "mint" forgery on gummed paper; fine and scarce. (Image)

1929 PUC £1 black overprinted "SPECIMEN", lightly mounted, very fine (S.G. £3'000). (Image)

1934, Re-Engraved 2s6d, 5s and 10s in mint n.h. left marginal blocks of six, superb and striking multiples (S.G. £6'000+). (Image)

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 shade of brown. (Image)

1935 Silver Jubilee 2 1/2d Prussian blue, a superb mint n.h. example with fine fresh colour, superb quality for this very rare stamp (S.G. 15'000). (Image)