6d Chestnut Overprinted 'OS' block of 8 (2x4) from base of the sheet, BW #23(OS), Officially Repaired & three units substituted, CTO at Sydney, gum aged. Unusual. (Image1)

Estimate AU$150

9d Purple Die IIB BW #29, unlisted variety Colour flaw west of Victoria MVLH. (Image1)

Estimate AU$50

2/- Maroon Die II horizontal pair with varieties White flaw over 'U' of 'AUSTRALIA' and White flaw at top left corner [1R37-38] BW #40(1)m&n, fine mint, Cat $700+. (Image1)

Estimate AU$200

10/- Grey & Pink BW #50, off centre, MLH, Cat $750. (Image1)

Estimate AU$180

10/- to £2 ovptd 'SPECIMEN' Type 'D' set, fine mint. (3) (Image1)

Estimate AU$75

10/- Grey & Pink ovptd 'SPECIMEN' Type C Sub-type 6a (Damaged N) and Variety Very short Spencer's Gulf [R60], BW #50xe(D)f, well centered, fine minted hinged. Rare combination of flaws, extrapolated Cat $11,300. (Image1)

Estimate AU$1,200

10/- Grey & Pink Optd 'SPECIMEN' Type D (2) one with Duty Plate variety Short Spencer's Gulf [R41], the other with Vignette Plate flaw Open-mouthed Roo [R55] BW #50(D)e&(V)vb; light gum tones, hinged mint, Cat $2,650 (as unoverprinted stamps). (2) (Image1)

Estimate AU$140

£1 Grey BW #54, fresh MVLH, centred to top left, Cat $1,000. (Image1)

Estimate AU$230

£1 Grey BW #54, two examples with minor defects, Cat $1,150. (2) (Image1)

Estimate AU$115

£1 Grey BW #54, Cat $450. (Image1)

Estimate AU$80

£2 Black & Rose Optd 'SPECIMEN' Type D BW #58x, with Duty Plate flaw Breaks in the Gulf of Carpentaria [R18] (not the Brusden White listed flaw), MUH, Cat $250 (as a normal stamp). (Image1)

Estimate AU$80

Collection on Seven Seas pages Mint includes 6d, 9d, 2/- Die II, 2/- Redrawn Die and 6d optd 'OS' with selvedge all MUH, Used 6d, 9d, 2/- Die II and 5/- all CTO with gum, 2/- Die II and 6d optd 'OS'. Cat Value $695. (11) (Image1)

Estimate AU$120