Watermark Paper block of 12 gummed, unmounted, unusual lot. (Image1)

Estimate AU$75

Small group comprising 2d, 2½d, 2½d perf 'OS' & 2/- maroon. Fine mint. (4) (Image1)

Estimate AU$200

2d Bluish-Grey Die IIA Harrison Imprint pair, BW #8ze, rejoined, Cat $1,850. (Image1)

Estimate AU$320

3d Olive Die I perf 'OS', BW #13b, hinge remnant, Cat $175. (Image1)

Estimate AU$60

6d Blue Die II perf 'OS' 6d dull dark blue pair & 6d ultramarine (minor tones), BW #19A,C, MNG, Cat $875. (3) (Image1)

Estimate AU$100

6d Blue Die II Watermark inverted, BW #19a, Cat $275. Fine used. (Image1)

Estimate AU$100

6d Blue Die II Watermark inverted, BW #19a, Cat $825. Three fine used examples. (3) (Image1)

Estimate AU$240

6d Dull Grey-Blue Die II variety Bite out of Roo's left leg, state II BW #19E(2)da, fine used, Cat $2,250. Drury certificate (2017). (Image1)

Estimate AU$525

6d Blue Die II Substituted Cliché Die IIA BW #19(1)ja, well-centred and confirming wmk line, light cancel & good perfs, Cat $3,750. National Philatelic Centre certificate (2018). A prime used example. (Image1)

Estimate AU$1,250

6d Chestnut Die IIB BW #21, block of 4, couple nibbed perfs, very well centred, fresh MUH, Cat $400+. (Image1)

Estimate AU$70

6d Chestnut Die IIB plate 3 Ash (N over N) imprint pair, BW #21(3)zg, Cat $200. (Image1)

Estimate AU$140

1/- Blue-Green Die II Wmk Inverted, BW #32a, fine mint, Cat $550. Several broken shading lines should make this easy to plate. (Image1)

Estimate AU$200

1/- Blue-Green JBC monogram single (75%), BW #32(1)zc, indistinct datestamp, slight re-inforcing of selvedge on reverse, Cat $3,250 as mint, unpriced used. (Image1)

Estimate AU$525

1/- Blue-Green Wmk sideways, crease, MUH. BW #33aa. (Image1)

Estimate AU$15

1/- Blue-Green Die IIB Mullett imprint block of 4, BW #33(4)zd, 2 units MUH, usual gutter fold, very fresh, Cat $1,750+. (Image1)

Estimate AU$500

2/- Brown Damaged right frame at middle with No break in top frame over 'S'. Rounded corner. BW #37(2)n, Cat $300. (Image1)

Estimate AU$15

5/- Grey & Pale Yellow Perf 'OS' variety Kangaroo misplaced 3mm downwards BW #44cb,wa, well centred, CTO without gum, Cat $5,000. (Image1)

Estimate AU$525

5/- Grey & Yellow with variety Kangaroo's foot broken and pointed tail, BW #44(V)n, almost complete very fine 'CLIFTON HILL/24AU26' cancellation, Cat $425. (Image1)

Estimate AU$180

10/- Grey & Aniline Pink Perf 'OS' CTO centered to left BW 48Bwa Cat $200 (Image1)

Estimate AU$60

10/- Grey & Aniline Pink Optd 'SPECIMEN' Type B BW #48x, fresh MUH, Cat $600 as mounted mint. (Image1)

Estimate AU$130

10/- Grey & Deep Aniline Pink Optd 'SPECIMEN' Type B BW #48Bx, lovely colour, with gum, Cat $600. (Image1)

Estimate AU$200

10/- Grey & Pink centred to top, few short perfs at base BW #50, Cat $300. (Image1)

Estimate AU$70

£1 Brown & Blue BW #52, centred to left & base couple of nipped perfs, presentable example, Cat $2,500. (Image1)

Estimate AU$600

£1 Chocolate & Dull Blue few nibbled perfs at upper left. BW #52, Cat $2,250. (Image1)

Estimate AU$500

£1 Grey Optd 'SPECIMEN' Type C Sub-type 1 (damaged 'C'), BW #53xd, MLH, Cat $1,000. (Image1)

Estimate AU$300