1862-65 1d Dull Red De La Rue No Watermark Perf 14 (comb), three examples in differing shades, one no gum, other two part OG (one with short corner perf), good colour and generally fine appearance. SG 187, cat £750 (3)

1902-12 issues mint and used mounted on album pages, with 1902-023 Wmk Crown over NSW (III) to 2/6d, incl 2/6d opt SPECIMEN, 1905-10 Wmk Crown over A to 2/6d with most shades and perfs, 1903 and 1906 9d, and 1907 Wmk Crown over Double-lined A ½d, 1d U, and 2½, 6d, 10d, 1/- and 2/6d M. Mostly fine (90)

1891-97 Watermark Crown over NSW 5/- Green Perf 11 x 12 CTO with 'NSW' in concentric ovals, no gum but scarce, this perforation is only found CTO. SG D8b, cat £300, BW ND35w cat AU$750

1891-97 Watermark Crown over NSW 10/- and 20/- Green Perf 10 CTO with 'NSW' in concentric ovals half-cancels, 10/- with thin, 20/- no gum. BW cat AU$300 (2)

1890 (4 Dec) cover from Kyneton (Vic) to Murrumburrah with 2d Stamp Duty, redirected on arrival to Wallenbeen and with manuscript '2d To Pay' for redirection fee. Reverse showing evidence of affixing of docket for the collection of the postage due, which once collected was removed and forwarded to the Accountant at the G.P.O. An interesting cover illustrative of the system used prior to the introduction of postage due adhesives

KEVII Stamp Duty: 1d to £1 range on hagner, various printings and perfs, values to £1, and with no wmk forgeries of 8/-, 9/-, 10/-, 12/6, 15/- and £1 unused. Few with small faults, generally fine (25)

1879-81 First Sideface 1d Reddish-brown, 2d Blue 4d Orange-yellow and 6d Yellow-green Imperforate Plate Proof pairs on thin card, very fine (8)

Datestamps: Kersbrook unframed 21mm 'KERSBROO(K)/AP 28/68/S.A' (earliest known date) on Perkins Bacon rouletted 2d Vermilion, rated RRRRR

Block of 24 watermarks from lower right corner of sheet showing 'AUSTRALIA' marginal watermark in right selvedge, faint vertical fold otherwise very fine with full gum, and one of the largest pieces of the Third Watermark paper now surviving

10/- Grey and Pink overprinted SPECIMEN Type C fine but regummed. BW 50x, cat AU$850

1914 6d Engraved Kookaburra fresh MUH

1d Green coil strip of 4 variety 'Watermark Inverted', two MUH but with toned gum. BW 81a, cat AU$550

1/4d Greenish-blue Ash imprint pair, fine with large part OG. BW 131z, cat AU$1000 for block of 4

1949-50 Coat-of-Arms £2 Green variety 'Roller Flaw Below E of POSTAGE', fresh MUH. BW 271d, cat AU$650

1988 37c Australian Bicentenary (USA Joint Issue) artist's stamp-size essays (18) as coloured photocopies (as supplied to members of the Stamp Advisory Committee), mounted on page, scarce

1994 Automatic Teller Machine Sheetlet (20 x 45c) trial sheetlet showing kangaroos facing left and horizontal lines through designs, fine MUH. BW 1784E(1), cat AU$300

Private Perfins: 1916 (29 Apr) Melbourne Metropolitan Board of Works postcard with ½d Green George V solo franking perfinned 'MBW' (6 x 18mm, small holes), a trifle aged

1909-10 Watermark Crown over Double-lined A Thick Paper 3d Rose-red and Green JBC monogram block of 4 showing marginal watermark letters 'MONW' indicating monogram to be from left side of sheet under Stamp 10/3. Very fine with large part OG, lower units MUH, and the proving piece to indicate the JBC monogram was on the left side for one printing (no CA monogram from the right side has been recorded). BW D84, cat AU$400 as monogram single

1909-10 Watermark Crown over Double-lined A Thick Paper 6d Rose-red and Green with JBC monogram cancelled indistinct oval ds in violet. The marginal letters watermark 'TRA' indicate a right-side position under Stamp 10/10, and this stamp is the proving piece for this monogram position. BW D86zc, cat AU$600 as a used monogram single

1909-10 Watermark Crown over Double-lined A Thick Paper 2/- Rose-red and Green mint with CA monogram, the monogram setting being 12mm below and 6mm outside left frame of tablet. Very fine, lightly hinged with large part OG, rare. BW D70za, cat AU$750

1909-10 Watermark Crown over Double-lined A Thick Paper £1 Rose-red and Green CA monogram pair from left corner of sheet, very fine with large part OG and lightly hinged. The only known positional monogram pair, only one other CA monogram (a single) being recorded. A major rarity amongst Australian Commonwealth monograms, and an extremely important postage due piece. BW D92z, cat AU$8000

1909-10 Watermark Crown over Double-lined A Thick Paper 2d Rose-red and Green Die II Perf 11 cancelled by indelible pencil, couple of short perfs at base, otherwise fine. Only two examples of this stamp are known, the other being unused without gum; this example was discovered in 1988. One of the key stamps for a complete collection of Australian Commonwealth stamps, and the first time an example has been offered for sale for many years. Illustrated in the BW catalogue on page 79, and with 1988 RPSL Certificate. BW D82 cat AU$22,500, SG D74a, cat £10,000

1913-21 Watermark Crown over Double-lined A Thin Paper ½d Scarlet and Pale Green Perf 12½ cancelled Ipswich cds dated 4FE22 on 1921 (20 Dec) cover from Milwaukee, Wisconsin franked 8c, subject to customs duty and with circular 'CUSTOMS/½D/DUTY'. A very fine solo ½d usage, this stamp being unpriced as such by BW