½d Green marginal block of perf large 'OS', BW #1bc, two units MUH, Cat $160+. (Image1)

Estimate AU$60

½d Green marginal block of perf small 'OS', BW #1bd, MUH, Cat $300+. (Image1)

Estimate AU$100

½d Green with Brisbane CTO, BW #1wd, MLH. Only 18 issued. Cat value is out by at least a factor of 10! (Image1)

Estimate AU$1,800

½d Green Plate 1 No Monogram left pane block of 10 (5x2), BW #1(1)z, unit 58 catalogued variety not apparent, hinged in margin only, Cat $1,250++ for mounted. (Image1)

Estimate AU$300

½d Green Plate 1 No Monogram right pane strip of 6, BW #1(1)za, unit 55 variety White scratch left of value circle (#1(1)g), two units MUH, Cat $1,250+ for mounted. (Image1)

Estimate AU$500

½d Green Plate 2 marginal gutter block of 12 (6x2) perf small 'OS', 11 units MUH, Cat $850++. (Image1)

Estimate AU$250

½d Green Plate 2 variety ROSTAGE in corner block of 4, BW #1(2)e, natural paper flaw on unit L11, MUH, Cat $100++. (Image1)

Estimate AU$100

½d Green Plate 2 variety ROSTAGE and weakness over 'US' of AUSTRALIA, BW #1(2)ea, plus 2nd stamp variety Two cuts in roo's throat [1L48], MLH, Cat $175. (2) (Image1)

Estimate AU$100

½d Green Plate 2 variety ROSTAGE 3rd state - weakness over 'US' retouched and Wmk inverted, BW #1a(2)eb, MLH, Cat $325. A rare combination of varieties (Image1)

Estimate AU$300

½d Green Plate 2 CA Monogram single in left pane block of 8 (4x2) perf large 'OS', BW #1bc(2)zb, hinged in margin only, Cat $350++ for mounted. (Image1)

Estimate AU$350

½d Green Plate 2 CA Monogram left pane block of 4, 1(2)zb, odd tiny tone spot, two units MUH, Cat $350+ for mounted. (Image1)

Estimate AU$150

½d Green Plate 2 CA Monogram left pane pair, BW #1(2)zb, MVLH, Cat $350+. (Image1)

Estimate AU$150

½d Green Plate 2 JBC Monogram right pane block of 6 (3x2) perf large 'OS', BW #1bc(2)zc, hinged in margin only, Cat $1,200++ for mounted. (Image1)

Estimate AU$800