1928 3d Kookaburra Miniature Sheet BW #133MS block of 4 M/Ss, few trivial spots on gum, MUH, Cat $1,700+. (Image1)

Estimate AU$650

1928 3d Kookaburra Miniature Sheet BW #133MS complete unfolded sheet of 15 (5x3) miniature panes, with one line of vertical perfs (dividing colums 2 and 3) somewhat askew, couple of trivial gum blemishes, mild uniform gum tone, MUH, Cat $6,375+. Rarely offered. (Image1)

Estimate AU$3,500

1928 3d Kookaburra BW #133 two singles tied to cover by '29OC28' FDI datestamps in red or in blue, printed exhibition details on flap of cover, neatly hand addressed. Fine condition (Image1)

Estimate AU$100

1928 3d Kookaburra M/S BW #133MS, very lightly mounted in top margin only, Cat $225. (Image1)

Estimate AU$150

1929 3d Airmail BW #134y plus 1½d Canberra tied by unframed SYDNEY/38/20MY29/NSW' datestamp to Smythe FDC, boxed 'FIRST DAY COVER' handstamp in violet, endorsed per airmail mail, with 'POSTED/OUT OF/COURSE' boxed handstamp in red, typed address, Winton arrival backstamp. (Image1)

Estimate AU$150

1929 1½d WA Centenary BW #138b Imperforate between stamp and lower margin, few minor thins in centre, usual rough perfs, well centred, mint hinged with original gum, Cat $17,500. [Brusden White state that two pairs and two singles exist, confirmed by Ceremuga certificate (2012) which states Great rarity. Only 1 sheet with 10 error stamps believed to have existed.] (Image1)

Estimate AU$7,500

1929 WA Centenary BW #138e Re-entry to swan's neck & 'T' of 'AUSTRALIA' [2/64], in marginal block of 4 with part Ash imprint, fresh MUH, Cat $225+. (Image1)

Estimate AU$80

1930 Sturt Perf 'OS' BW #139-40wb,139ba,z-zg,140ba,z&za 2d Plates Nº '1' to '8' and 3d Plates Nº '1' & Nº '2', all in corner blocks of 4, some hinging in sheet margins, the stamps are all fresh MUH. Extremely scarce as a complete set, especially so fine. (10 blocks) (Image1)

Estimate AU$1,800

1931 Kingsford Smith Overprinted 'OS' BW #141(OS)zh&142(OS)zc 2d and 3d Ash imprint blocks of 8 (4x2), fresh MUH, Cat $15,500++. Superb! [Ex Australia Post Archival Sale No 1 (Lot 253), both blocks being illustrated in the sale catalogue, thus providing impeccable provenance, as acknowledged in the accompanying Ceremuga certificates (2009).] (Image1)

Estimate AU$7,500

1931 Kingsford Smith Overprinted 'OS' BW #142(OS)z 3d Plate No 1 upper left corner block of 4, lower-right units MLH, other 3 units MUH, Cat $6,500+. Extremely rare, as affirmed on Ceremuga certificate (2015). (Image1)

Estimate AU$3,400

1931 Kingsford Smith Overprinted 'OS' BW #142(OS)zb 3d Plate No 3 upper left corner block of 4 (lower left unit nibbed perf), lower units MLH, upper units MUH, Cat $6,500+. Extremely rare, as affirmed on Ceremuga certificate (2015). (Image1)

Estimate AU$3,400

1931-38 6d Kingsford Smith Airmail (+ 2d Kingsford Smith) tied by GPO Melbourne '4NO31' FD datestamp to Blogg Brothers (South Melbourne) registered airmail cover to Perth, some minor age spotting, fine overall, Cat $850. (Image1)

Estimate AU$230

1931 6d Air Mail Service Optd 'OS' plus 6d Airmail (with large-part Ash imprint) and 3d Airmail tied to 1933 (May 26) Union Bank of Australia airmail printed cover to London, stamps tied by 'SHIP MAIL ROOM/MELBOURNE' datestamps, wax seals on reverse, fine condition; 6d (OS) alone Cat $375 on cover. (Image1)

Estimate AU$200

1932 1/- Large Lyrebird BW #145PP(1)A&B, Chambon P13 defaced Printer's samples in bright red or in blue, being matched corner blocks of 4, each dated '15.6.37' in lower-right margin, both printed on unwmked, gummed paper with 'AUSTRALIA' and 'ONE SHILLING' obliterated, fresh MUH, Cat $10,000 (as mounted singles). (2 blocks) (Image1)

Estimate AU$3,000

1932 1/- Large Lyrebird BW #145PP(1)B, Chambon P13 defaced Printer's sample in blue, on unwmked gummed paper with 'AUSTRALIA' and 'ONE SHILLING' obliterated, fresh MUH, Cat $1,750. Ceremuga certificate (2012) (Image1)

Estimate AU$750

1932 1/- Large Lyrebird BW #145PP(1)B, Chambon P13 defaced Printer's sample in blue, on unwmked gummed paper with 'AUSTRALIA' and 'ONE SHILLING' obliterated, fresh MUH, Cat $1,750. (Image1)

Estimate AU$750

1932 2d Sydney Harbour Bridge BW #146 enigmatic example with apparent over-inking between the engraving lines, the stamp being in an unusual orange-red shade; Sale (Vic) '7MY32' datestamp.Two normal used stamps included for comparison. (3) (Image1)

Estimate AU$80

1932 Sydney Harbour Bridge 2d (both), 3d & 5/- (well centred) tied to separate small envelopes by 'SYDNEY HARBOUR BRIDGE/19MAR/3-PM/1932/NSW & 'POSTED ON BRIDGE/DURING OPENING/CELEBRATIONS slogan cancels; each addressed by hand to various addressees, few tonespots on 5/- cover, fine overall. (4) (Image1)

Estimate AU$1,150

1932 Sydney Harbour Bridge 2d (rounded upper-left corner) 3d & 5/- (stamps with a few toned perfs) set tied to plain long cover to New Zealand by superb strikes of 'SYDNEY HARBOUR BRIDGE/29MR32/SE PYLON' datestamps, blue/white commemorative registration label, Sydney transit backstamps on reverse; 5/- alone Cat $3,500 (on cover) (Image1)

Estimate AU$750

1932 Sydney Harbour Bridge BW #146-9, 2d to 5/- set, 2d Letterpress & 5/- (no gum) being CTO, Cat $250+. (4) (Image1)

Estimate AU$150

1932 5/- Sydney Harbour Bridge BW #148 corner block of 4, well centred, hinged in upper margin only, stamps are fresh MUH Cat $6,000+. Ex Australia Post Archives. (Image1)

Estimate AU$3,000

1932 5/- Sydney Harbour Bridge BW #148, few nibbled perfs otherwise fine, Cat $. (Image1)

Estimate AU$250

1932 5/- Sydney Harbour Bridge BW #148 corner cancel CTO, fresh, lightly hinged gum (Image1)

Estimate AU$120

1932 5/- Sydney Harbour Bridge BW #148e variety Retouch over left centre of bridge, well centred, with gum, lightly hinged, Cat $800. (Image1)

Estimate AU$380

1932 5/- Sydney Harbour Bridge BW #148w, with largely complete 'NORTH SYDNEY/19 MAR 32' CTO datestamp, faint crease, with gum. Unusual. (Image1)

Estimate AU$150