1909-10 Watermark Crown over Double-lined A Thick Paper range on hagners, with ½d M (7 incl block of 4) and U, 1d Die I M (8 incl block of 4), 1d Die II M (4() and U (3), 2d Die I M (8) and U (7)_, 2d Die II M (5) and U (6 incl block of 4), 3d M, 4d M (2), 6d M (5, incl corner block of 4) and U 4), 1/- M (6 incl block of 4) and U (2), 2/- M (3) and U (2), 5/- M (2) and U (3), and 10/- M and U (2). Also partial set of CTO comprising ½d pair (scarce), 1d, 1/-, 2/-, 5/, 10/-, and £1. Generally fine, few are MUH (88)
1909-10 Watermark Crown over Double-lined A Thick Paper ½d Rose-red and Green block of 8 with 'CA' monogram, large part OG with five units MUH. BW D76zc, cat AU$300++
1909-10 Watermark Crown over Double-lined A Thick Paper 1d Rose-red and Green Die II pair with 'CA' monogram fine with large part OG. BW 78zc, cat AU$175+
1909-10 Watermark Crown over Double-lined A Thick Paper 10/- Rose-red and Green top left corner block of 4 fine mint, with upper pair MUH. BW D91 cat AU$2250, SG D72 cat £1000+
1909-10 Watermark Crown over Double-lined A Thick Paper 6d Rose-red and Green Perf 11 lightly cancelled with indecipherable cds, one shortish perf at top right, otherwise fine. A major postage due rarity and arguably the rarest basic stamp of Australian Commonwealth. This stamp was discovered in 2002, and apart from this example there is an unused stamp without gum, and two pen-cancelled examples in the Royal Collection. A key item for anyone attempting a complete collection. With 2002 Briefmarkenprufstelle Basel Certificate. BW D87 cat AU$40000, SG D75 cat £24000