½d Green perf Small 'OS' plus KGV 1d Red perf 'OS' tied to 1917 (Dec.5) printed advice postcard for Queensland Museum by Brisbane machine cancel, addressed to American Entomological Society, Philadelphia; ½d alone Cat $300 on cover. (Image)

Estimate AU$150-200
Min. Bid. AU$120

1d Red Die I pair plus ½d tied to small cover by WEETULTA (SA) '20OC13' datestamp, addressed to Denver, Colorado.  (Image)

Estimate AU$160-220
Min. Bid. AU$120

1d Red Die II Perf Large 'OS' (nibbed perfs UR corner) with 'OS PERFIN INVERTED', tied to small piece by MELBOURNE 'DEC 13' machine cancel. Not listed by Brusden White and the first example we have encountered. (Image)

Estimate AU$200-300
Min. Bid. AU$160

4d Orange (Aniline), very fresh MUH; BW:15B - Cat $2,250. Drury Certificate (2017). (Image)

Estimate AU$1,200-1,500
Min. Bid. AU$

4d Orange-Yellow, lightly tanned gum, MUH; BW:15E - Cat $3,250. Drury Certificate (2021). (Image)

Estimate AU$1,000-1,250
Min. Bid. AU$

5d Chestnut plus 1d Red Die I tied to view side of unaddressed real-photo postcard ("Sassafras Gully, Victoria") by GEELONG 'MY5/13' datestamps. Very fine condition.  (Image)

Estimate AU$120-160
Min. Bid. AU$80