1915-25 Kangaroo, £1 ultramarine and brown orange, l.h., well centered, v.f., signed Roumet (SG 44) cat. £3000 (Cat No. 56) (Image)

Cat. £3000, Est.US$1,200

1915-25 Kangaroo, £2 rose and violet brown, l.h., well centered, v.f., pencil signed (SG 45) cat. £5000 (Cat No. 59) (Image)

Cat. £5000, Est.US$2,000

1931-36 Kangaroo, £2 dull rose and black, top margin single, n.h., well centered, v.f., signed Roumet, etc. A beautiful stamp, cat. $9250 (Cat No. 129) (Image)

Cat. $9250, Est.US$4,000

1860 8p bright yellow, h.r., irregular perforations at right, still a fine stamp, with 2003 APS certificate (SG 167c,£450) cat. $575 (Cat No. 41) (Image)

Cat. $575, Est.US$200

1897 Diamond Jubilee 1d, 2d and 2 1/2d, composite triptych die proof in red-brown on thin glazed card (143x94mm). An attractive and unusual item with the 2 1/2 die placed sideways (Image)

Est.US$500

1900 die proof in dark carmine, value tablets blank, v.f. (Image)

Est.US$150

1891-92 1/2p-5sh green, eight different. h.r., usual perforations, minor toning, scarce (SG D1-8) cat. $673 (Cat No. J1-8) (Image)

Cat. $673, Est.US$200

1907 2sh 6p reddish orange, l.h., fine, cat. $190 (Cat No. 141b) (Image)

Cat. $190, Est.US$150

1886-96 Postage and Revenue £3-£20 group of seven different overprinted Specimen, with £3 sage-green, £4 lemon, £5 gray, £5 brown, £10 bronze, £15 silver and £20 claret, h.r., fine-v.f. (SG 203s-208s) (Cat No. 88a-93aS) (Image)

Est.US$1,000

1900 £1 green & yellow, overprinted "Revenue", n.h., v.f., cat. £275 (Cat No. SG F39) (Image)

Cat. £275, Est.US$150

1931 10th Anniversary issue, complete set, l.h., fine-v.f., cat. $366 (Cat No. C14-27) (Image)

Cat. $366, Est.US$150

1917 (31 Jan) registered cover from Rabaul to England, franked with 4p and 5p George V, with oval censor datestamp, Germany New Guinea/Rabaul captured Registry label, Sydney transit and London arrival pmks on back (Image)

Est.US$150