2d Grey Die I Perf 'OS' BW #8b on coloured PPC showing Yarrabam Mission Band (Cairns, Qld), stamp cancelled by Rockhampton '16FE18' datestamp. Attractive. (Image1)

Estimate AU$60

2½d Indigo Watermark inverted corner marginal pair BW #11a, stamps MUH, Cat $1,050+. (Image1)

Estimate AU$450

6d Pale Ultramarine Die II block of 4, well centred, BW #19, Cat $2,500, light gum toning and lower left unit has crease. (Image1)

Estimate AU$300

6d Milky Greyish-Blue Die II part Harrison imprint, perf 'OS' with variety White flaw off W.A. coast [1R55], BW #19Fba(1g), evenly toned gum. Drury certificate (2018). [Note ACSC Note 8 (page 2/83) states "The Harrison imprint is perhaps the rarest imprint outside the bicoloured high value. At present only 3 blocks of 4 can be confirmed'.] Drury certificate (2018). (Image1)

Estimate AU$1,800

9d Violet Die II Watermark Inverted x2 BW #26a, one with, several wrinkles, and an associated pulled perf. (2) (Image1)

Estimate AU$160

9d Indigo-Violet Die IIB Perf 'OS' BW #27Gba, vivid shade with the characteristically clear print noted in Brusden White, in addition stamp has variety Flaw on 'R' of 'AUSTRALIA' [4R14], a prominent flaw worthy of catalogue status in its own right, some ragged perfs, reasonable centring. An appealing combination of a rare shade and plated flaw, Cat $3,750+. (Image1)

Estimate AU$1,500

10/- Grey & Deep Aniline Pink 'SPECIMEN' Type B with variety Broken coast near Sydney [L6], optd 'SPECIMEN' Type B, BW #48Bx(D)d, lightly aged gum, Cat $1,750 as normal. (Image1)

Estimate AU$600

£1 Grey BW #53, corner marginal example [L1] with selvedge intact, minor surface scuff, two superb strikes of Mount Magnet (WA) '4MR33' datestamp, Cat $500. (Image1)

Estimate AU$190

£1 Grey Optd 'SPECIMEN' Type C BW #53xb, unplated variety Break in value circle at lower-right, uniformly toned gum, MUH, Cat $850. (Image1)

Estimate AU$320