9d Violet Plate 3 Ash imprint pair, first state, BW #29(3)za, MUH, Cat $250 for hinged mint. (Image1)

Estimate AU$115

5/- Grey & Yellow-Orange Ash Imprint pair variety Open-mouthed kangaroo, BW #46zc, hinged in central margin only, Cat $2,000. National Philatelic Centre certificate (2021). (Image1)

Estimate AU$700

10/- Grey & Pink BW #50, very fine used, Cat $300. (Image1)

Estimate AU$100

10/- Grey & Pink with 'PA/C' perfin of Prudential Assurance Company, 1937 late fee pmk. Rare. (Image1)

Estimate AU$100

10/- Grey & Aniline Pink BW #50D, fine mint, Cat $1,750. National Philatelic Centre certificate (2021). (Image1)

Estimate AU$500

10/- Grey & Pale Pink with 'SPECIMEN' type C, BW #50x, without gum, Cat $850. (Image1)

Estimate AU$160

£1 Grey BW #54, very well centred, Cat $575. (Image1)

Estimate AU$100

£1 Grey BW #54, 1937 Tennant Creek cancel, well centred, Cat $575. (Image1)

Estimate AU$100

£1 Grey with Break in coast of SE Australia [L28] BW #54e, fine used, Cat $900. (Image1)

Estimate AU$200

£1 Grey block of 4 with 'SPECIMEN' type D ovpt, BW #54xa, lightly aged gum, MUH, Cat $1,500. (Image1)

Estimate AU$400

£2 Grey & Rose-Crimson with unplated Clipped tail, lightly aged gum, otherwise fine mint, Cat $5,500. National Philatelic Centre certificate (2021). (Image1)

Estimate AU$2,000

£2 Grey & Rose-Crimson with Vertical scratch on Roo's snout, fine used, Cat $900+. National Philatelic Centre certificate (2021). (Image1)

Estimate AU$300

£2 Grey & Rose-Crimson with White spot below PO of POSTAGE [L37], BW #58(D)k, fine used, Cat $1,300. (Image1)

Estimate AU$400

£2 Grey & Rose-Crimson with White collar on Kangaroo [R36], BW #58(V)t, fine used and well centred, Cat $1,300. (Image1)

Estimate AU$400