Auction 333-341 Western Australia & Great Britain - Day 3

1923/26: Setting III, ½ d. green, an unused block of eighteen (6 x 3), from top left of sheet showing Plate number "5" in margin, interpanneau margin at right, showing the major variety "outh" for "South" (Row 1, stamp 1), trivial dust in top margin but a spectacular positional multiple, mounted in margin, stamps large part but most unmounted og., with the variety pair unmounted og. Rare. Cert. RPSL (2023) Gi = £ 2'350+.
Provenance: SG, London, 19 June 1980, lot 517.