Lot 50016 - 1915 6d ultramarine with double perforations, in mint never hinged top left corner marginal single, the margin clearly illustrating the striking double perforation. The stamp is mint never hinged, with only the faintest

1915 6d ultramarine with double perforations, in mint never hinged top left corner marginal single, the margin clearly illustrating the striking double perforation. The stamp is mint never hinged, with only the faintest trace of a diagonal bend mentioned for accuracy. Fresh and very fine. A rare and spectacular perforation variety, particularly desirable as a positional marginal example. BW A$4,000.