1882-85 Perf 10 'OS' overprint 4d red-brown Captain Cook SG O27 corner block of 4 with Current Number '4' (creasing) & block of 6 (2x3) with Wing-Margins at right, large-part o.g. with a few units being unmounted, Cat £420+. (Qty 2 blocks)

Grade B/A (Image1)

Estimate AU$150

1887-90 High Value Revenues Overprinted 'POSTAGE' in Blue 10/- mauve & claret Perf 10 as SG O37b but with seriffed 'S' in 'O S', CTO with concentric ovals, large-part o.g., Cat £7500 for the issued stamp.

Grade A (Image1)

Estimate AU$500

1888-90 Centennial 5/- Map with 'O S' Overprint in Red as SG O47 but the later Perf 12 reprint, CTO with 'GPO'-in-concentric-ovals which is much scarcer than the similar 'NSW' cancel. [An example sold at a Sydney auction in 2020 for $1500]

Grade A B1 (Image1)

Estimate AU$750