2d grey marginal block of 4 from the top of the sheet, unmounted, Cat $1500+.

Grade A C1 (Image1)

Estimate AU$350

2½d indigo marginal block of 4 from the U/L corner of the right-hand pane, well centred, unmounted, Cat $1300+.

Grade A B1 (Image1)

Estimate AU$400

6d ultramarine marginal block of 4 from the top of the sheet, unmounted, Cat $9000+. A rare multiple.

Grade A C1 (Image1)

Estimate AU$2,500

9d violet marginal block of 4 from the top of the sheet, light bend affects the right-hand units, unmounted, Cat $10,000+. A rare multiple.

Grade A/A- (Image1)

Estimate AU$2,000

9d violet with the Watermark Inverted ACSC 25a, a couple of slightly short perfs, reasonably well centred, fine 'ARAMA[C]/11MY1[7]/QUEENSLAND' postal cds, Cat $5000 postally used. The ACSC states "Approximately...two dozen used examples are known. All used stamps have Queensland cancellations of April-May 1917".

Grade A B2 (Image1)

Estimate AU$800

1/- 2/- & 5/-, excellent centring, Cat $3375 (£1880). The 2/-, in particular, is especially difficult to find this well centred.

Grade A A1 (Image1)

Estimate AU$1,000

1/- blue-green 'CA' Monogram Pair from the upper plate ACSC #31(1)za, part '[TELEPHON]E ACCOUNTS/ ----16/[SYDN]EY' cds, Cat $9000+ mint for the monogram single; unpriced used. Rare & superb!

Grade A+ C1 (Image1)

Estimate AU$2,000

PUNCTURED 'OS': 5/- grey & yellow with the Watermark Inverted ACSC #43Aab (SG O37w), excellent centring, Cat $3000 (£2100).

Grade A A1 (Image1)

Estimate AU$750