1862-65 2d Pale Blue No Watermark Perf 14 (comb) two part OG examples in differing shades, one bottom marginal with Current No. '7', good appearance. SG 188, cat £500+ (2)

1891-97 Watermark Crown over NSW the mint collection, with Perf 10 ½d (wmk inv), 1d (2, one wmk inv), 2d (2, one wmk inv), 3d (3, all wmk inv), 4d (3), 6d (2), 8d (2), Perf 11 1d (6), 2d (2), Perf 10 x 11 1d, 2d, 3d (3), 4d, Perf 10 x 12 1d, Perf 121 x 12 2d, Perf 12 x 11 1d. Few with small faults, a number without gum. SG cat £1000+, BW cat AU$1500+ (31)

1891-97 Watermark Crown over NSW 10/- Green Perf 10 CTO with 'NSW' in concentric ovals half-cancel, part OG and fine. BW ND36w, cat AU$150

1891-97 Watermark Crown over NSW 10/- Green Perf 12 x 10 fine part OG with fluffy perfs, heavily hinged. SG D9a cat £350, BW ND37 cat AU$750

1891 (14 Jan) cover (opened out) from Melbourne to Culcairn with 1d Reading Design tied by Melbourne duplex, underpaid for intercolonial rate and 'T' in oval applied with manuscript '2', 'manuscript '2d to pay' added in red pencil on arrival. Reverse with 1d Postage Due Perf 10 marginal pair affixed and tied by '1045' numerals of Culcairn (14 JA 1891 cds). Fine, and a very early use of New South Wales Postage Dues

1855 (2 Jun) cover to Belfast, Victoria with 3d Yellow-green Laureate Wmk Double-lined '3' (margins three sides, touching at left) endorsed "Waratah" and reverse with despatch and arrival datestamps. Wax seal cut from back, otherwise very fine and clean

Moreton Bay District: '108' in rays (Good's Inn) good strikes on (6)d Registered Imperf (showing papermaker's watermark) and 2d Diadem Plate II Imperf, a very scarce numeral rated RRRR by Freeman (2)

1857-67 Watermark Double-lined '1' Imperf 1d Pale Red-brown vertical strip of 4 on small piece cancelled '82' numerals of South Arm, good to small margins all round except at lower right where cut into. SG 26, cat £180+

2/- Maroon very fine MUH. BW cat AU$750

£2 Grey and Rose-crimson variety 'White Collar on Kangaroo' (R36) fine used with light cds cancel, and with 2021 NPC Certificate. BW 57A(V)t, cat AU$1750

1½d Red Electro 25 Mullett imprint strip of 4 with variety 'Break in Frame Under Second E of PENCE' (25L60), mounted in gutter only, toned gum. BW 89(25)z, cat AU$600 for block of 4

3d Blue Die II Ash imprint block of 4 fine MUH, gum tone spot on lower right unit. BW 108z, cat AU$400+

1935 Silver Jubilee 2d to 2/- set, fresh MUH (3)

1963 Royal Visit 5d Green variety 'Misplaced Perforations' block of 4, fresh MUH. BW 392bb, cat AU$900

1988-92 Living Together Definitives $1 Rescue & Emergency block of 10 variety 'Misplaced Perforations' 4mm downwards, fresh MUH. BW 1315b, cat AU$750

1938-41 2/- Black on Pale Green cover (12 x 2d Scarlet KGVI Die II), stamp panes with watermark inverted, very fine. BW B51Ba, cat AU$500

1909-10 Watermark Crown over Double-lined A Thick Paper 1d Rose-red and Green Die II JBC monogram block of 8 cancelled 'REGISTERED PERTH/WEST AUSTRALIA' cds dated 7 JUL 13, fine with full gum and unhinged, few very minor adhesions on reverse. BW D78z, cat AU$600 as mint monogram strip of 3

1909-10 Watermark Crown over Double-lined A Thick Paper 3d Rose-red and Green JBC monogram block of 6 from right corner of sheet cancelled 'REGISTERED PERTH/WEST AUSTRALIA' cds dated 9 JUL 17, very fine. The setting of the JBC monogram is 10mm below and 3.5mm inside tablet. BW D64zd, cat AU$1000 for mint monogram strip of 3

1909-10 Watermark Crown over Double-lined A Thick Paper 1/- Rose-red and Green CA monogram block of 4 showing marginal letters 'MMONW' indicating the left side of the sheet with monogram under Stamp 10/3, very fine with large part OG, rare. BW D88za, cat AU$600 for monogram single

1909-10 Watermark Crown over Double-lined A Thick Paper 5/- Rose-red and Green CA monogram strip of 3 from left side of sheet superb MUH and ex Australia Post Archival Sale, very rare. The monogram setting is 10.5mm below and 0.75mm inside left frame of tablet. BW D90z, cat AU$2500 as hinged monogram strip of 3

1909-10 Watermark Crown over Double-lined A Thick Paper £1 Rose-red and Green JBC monogram block of 4 from lower right corner of sheet CTO with Melbourne cds, AU22/11, superb unhinged with full OG, ex Australia Post Archival Sale. Other than this block a single mint stamp with monogram is recorded, as well as two mint blocks of 4 in the Royal Philatelic collection. One of the most important postage due pieces, and a key piece of Australian Commonwealth philately. BW D92zd, cat AU$8000 and undercatalogued as such