AUSTRALIAN COMMONWEALTH, POSTAGE DUES, 1931-37 C OF A WATERMARK

Lot 579		Estimate: $500 Realised Price : $600 ½d to 1/- perf 11 set, generally fresh (7)
Lot 580		Estimate: $1,000 Realised Price : $1,100 1937 (28 Jan) airmail cover Sherwood (Qld) to Melbourne bearing KGV 1d (2) and 2d (3), mss. "1½oz" and boxed "EXCEEDS 'ONE' OZ/TAX" in black overstruck with very fine oval "T10d", paid by 1931-37 C of A Wmk 4d and 6d postage dues, pencil cancelled. Minor soiling and spotting, nevertheless a fine and rare example of the key 6d postage due on cover, with perhaps four or five examples known