CORINPHILA AUCTIONS 297 - 308 Day 3

Single Watermark 1918 (May): Sideface ½ d. green, Electro 5, wmk. Crown over A, perf. 14¼ x 14, an unused block of six (2 x 3), first stamp showing Harrison retouch variety "Thin "1" in Fraction" (position R43), minor creases not affecting the appearance, large part or unmounted og. A remarkable and scarce multiple, Brusden White states that just 5 mint examples of this variety exist, with one (ex collection R. T. P. Chapman) in a pair now housed in the Australian Post Archival Collection; this block of six being unique Gi = £ 23'000+ / BW 63(5)s = $ 40'000+.rnProvenance: Collection James B. Williamson, Sotheby's, London, 18 Sept 1981, lot 111; Collection Sir Gawaine Baillie, Sotheby's, Melbourne, 13-15 July 2005, lot 346.