Simplified set to £2 rose-carmine & purple-black, variable centring, the £1 brown & blue is the chestnut shade, 10/- is punctured 'OS' & CTO, plus £2 with Type C 'SPECIMEN' overprint, lightly mounted, Cat $13,500+ (£8750+). (Qty 16)

Grade A/A- (Image1)

Estimate AU$5,000

Inverted Watermarks comprising 2d (aged gum but unmounted), 2½d, 3d, 9d & 1/- ACSC 7a 11a 13a 26a & 32a (SG 35bw 36aw 37cw 39aw & 40aw), lightly to very lightly mounted, Cat $2975 (£1090) for mounted. (Qty 5)

Grade A/B (Image1)

Estimate AU$750

2d grey with the Watermark Inverted ACSC 7a (SG 35bw) corner block of 6 [L5-6/11-12/17-18] from the U/R of the L/H pane with listed varieties Bauxite Ship in Gulf of Carpentaria [6], Retouched Shading East of Cape York [11], Retouched Upper Frame at Right [12] & Retouched Upper Frame at Left [18] ACSC 7a(1)d/f/g & h, the gum a little yellowed otherwise superb!, Cat $2250++ (£570++ for mounted) plus a significant premium for the varieties. An exceptional positional piece.

Grade A C1 (Image1)

Estimate AU$750

2d grey Die I Plate 1 Inserted 'JBC' Monogram single ACSC 7(1)ze, Cat $1000.

Grade A B1 (Image1)

Estimate AU$350

2d grey Die I Plate 2 'JBC' Monogram single ACSC 7(2)zc, Cat $1000.

Grade A B1 (Image1)

Estimate AU$350

2d grey Die I punctured 'OS' ACSC 7ba marginal block of 4 from the top of the sheet, unmounted, Cat $900+. A very scarce block.

Grade A C1 (Image1)

Estimate AU$450

2d grey Die IIA gutter block of 12 (4x3) from the top of the sheet, variable centring, perf separation to the right of the gutter, all but two units are unmounted, Cat $2500+.

Grade A (Image1)

Estimate AU$600

2d grey Die IIA block of 4, the first unit with Islands SE of Tasmania being an unlisted advanced state of ACSC 8d, well centred, unmounted, Cat $900++.

Grade A B1 (Image1)

Estimate AU$400

2½d indigo with the Watermark Inverted ACSC 11a marginal block of 4 from the top of the sheet, three units - one with a small paper inclusion - are unmounrted, Cat $2100+.

Grade A (Image1)

Estimate AU$500

2½d deep blue Plate 2 TS Harrison One-Line Imprint block of 4 ACSC 11B(2)zf within a remarkable block of 40 Pos [2L31- R32/2L55-R56] with Thick Coastline to Western Australia 11(2)da on all five units listed in the ACSC - see footnote 4 below ACSC 9 - and on a few other units plus Pos [2L55] with Very Thick Coastline 11(2)da, then with additional listed varieties on Pos [2L31 32 37 43 59 & 60] plus that listed by Greg Pope on Pos [2L39], centring variable but many are well to very well centred, the yellowed gum is characteristic of this printing but there is a band of 'suntanning' in the left-hand margin clear of the stamps, very lightly mounted on only the four corner units and in the lower margin where there are a few split/reinforced perforations including behind the imprint, Cat $7740+ for a mounted imprint block of 4 including three varieties, nine further mounted varieties & the four mounted corner stamps, and unmounted normal or unlisted variety singles x23. Ex Alec Rosenblum. A quite extraordinary large multiple.

Grade A/A+ (Image1)

Estimate AU$4,000

3d olive-green Die I ACSC 13K corner block of 4 from the U/R of the R/H pane, the second unit with a minor bend & a minor crease in the upper margin otherwise superb unmounted, Cat $1300+. A very scarce multiple, especially in this shade.

Grade A-/A+ (Image1)

Estimate AU$500

3d olive-green Die II Plate 1 Inserted 'CA' Monogram single ACSC 13K(1)za, lightly mounted, Cat $2250+ plus a premium for the shade.

Grade A C1 (Image1)

Estimate AU$800

3d olive-green Die I Plate 2 'CA' Monogram single ACSC 13K(2)za, one pulled perf at L/R, lightly mounted, Cat $1200+ plus a premium for the shade.

Grade A- B2 (Image1)

Estimate AU$450

3d olive-green Plate 2 punctured 'OS' 'CA' Monogram single ACSC 13K(2)zg in a horizontal pair, very fresh however the gum is evenly aged but unmounted, Cat $4225++ for a mounted monogram single - at $1250 x3 for being punctured 'OS' - plus an unmounted 'OS' single, plus a premium for the scarcer shade. Ex Lord Cornwallis and 'Besancon' Part III. Chris Ceremuga Certificate (2018).

Grade B C1 (Image1)

Estimate AU$1,000

3d olive-green Die I Plate 2 'JBC' Monogram single ACSC 13K(2)zc in a horizontal pair, unmounted, Cat $1200+ for a mounted monogram single plus a premium for the shade & $325 for the normal single.

Grade A B1 (Image1)

Estimate AU$1,000

3d olive-green Die I Plate 2 'JBC' Monogram strip of 3 ACSC 13(2)zb, exceptional centring, lightly mounted with the monogram unit showing only the faintest evidence of having been hinged, Cat $4500. A lovely strip.

Grade A A1 (Image1)

Estimate AU$2,500

3d olive-green Die I Plate 1 'T.S. HARRISON' Two-Line Imprint block of 4 with no "jubilee" lines in the gutter ACSC 13(1)zf, printing-ink residue in the gutter, a few split/reinforced perforations in the margin, the lower units are unmounted, Cat $4250+ for mounted.

Grade A (Image1)

Estimate AU$2,000

3d olive-green Die I Plate 2 'T.S. HARRISON' Two-Line Imprint block of 4 with "jubilee" lines in the gutter ACSC 13(2)zf, characteristic rough perfs, the lower units are unmounted, Cat $4000+ for mounted.

Grade A (Image1)

Estimate AU$2,000

3d deep olive Die IIB ACSC 14B marginal block of 4 from the base of the sheet, well centred, characteristic rough perfs, unmounted, Cat $900+.

Grade A B1 (Image1)

Estimate AU$300

6d pale ultramarine ACSC 19A (shade) marginal block of 4 from the right of the R/H pane, the first unit - small paper inclusion - with unlisted variety Slice Out of Kangaroo's Back, the lower units are unmounted, Cat $1600++.

Grade A B1 (Image1)

Estimate AU$600

6d ultramarine with the Die IIA Break (Substituted Cliché) at Left [1R60] ACSC 19(1)ja (SG 38a) with marginal vertical watermark line at right, minor perf irregularities, 'SOUTH YARRA/VIC' cds well clear of the variety, Cat $3750 (£1900). RPSofV Certificate (2014). [Stuart Hardy's similarly centred example - the cancel across the variety - sold for $2563]

Grade A- C2 (Image1)

Estimate AU$1,250

6d ultramarine Die II Plate 2 'CA' Monogram single ACSC 19A(2)za, an attractive deep shade, well centred, a couple of very minor bends, lightly mounted, Cat $3000.

Grade A- B1 (Image1)

Estimate AU$1,000

6d pale ultramarine Die IIB ACSC 20C block of 4, the upper units with a couple of blemishes & mounted, the gum a bit aged but the lower units are unmounted, Cat $2150+.

Grade B/A (Image1)

Estimate AU$600

6d pale ultramarine Die IIB ACSC 20C block of 10 (5x2), variable centring, one unit with a small paper inclusion, unmounted, Cat $7500+. Multiples of this size are rarely encountered.

Grade A (Image1)

Estimate AU$3,000

9d violet Die IIB punctured 'OS' ACSC 20b (SG 39b) selection, condition variable with some very lightly mounted, Cat $7000+ (£2250+). (Qty 19)

Grade A/B (Image1)

Estimate AU$750