Watermark Vertical ½d to 2/6d SG 38-45, various cancels, Cat £250.  (8)

Grade A (Image1)

Estimate AU$175

Watermark Vertical 1d black & carmine with the Overprint Sideways Reading Upwards SG 39a marginal example from the right of the sheet, well centred, Port Moresby cds, Cat £4500. A rare stamp. BPA Certificate (1998).

Grade A B1 (Image1)

Estimate AU$4,000

Watermark Vertical on Thin Paper 1/- black & orange SG 44a with Overprint Slightly Doubled, lightly mounted, unlisted by Gibbons. The doubling is particularly apparent on the first 'a' and the final 'ua' - with the second impression 1mm to the left of the first - and is similar to the two almost coincident impressions found on the ½d black & green Double Overprint SG 38a (Cat £3500). (Image1)

Estimate AU$300

Watermark Vertical on Thin Paper 1/- black & orange (a little oxidised) with the Overprint Double One Diagonal SG 44ba being the upper unit in a vertical pair with normal stamp, CTO with Port Moresby cds, part-original gum, Cat £21,000+. A rare & much prized error. BPA Certificate (1956). The error affected 24 stamps on a single sheet of 30: all but five were datestamped. Peter Troy's two very fine singles of the error sold at our auction of 28.7.2009 for $18,640 & $15,145 respectively.

Grade B C1 (Image1)

Estimate AU$12,000