2d Grey (Die 1) lower left corner block of 4, the lower left unit [L55] being the "substituted cliche (Die 2A)" variety; upper pair Mint, lower pair, including the variety MUH. BW:7(1)jb - $7500 (but not priced MUH or in a block). SG.35a - £8000. Extremely rare. With Ceremuga  Certificate.
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Categories: Stamps & Postal History > COMMONWEALTH OF AUSTRALIA > Kangaroos - Third Watermark