Auction 309-320 - Australian States & Commonwealth British Africa, St. Helena - Day 2

Official / Third Watermark 1921/27: Kangaroo 6 d. dull grey-blue, Die II, Plate 2, third narrow Crown over A wmk., perf. 12, an unused block of four divided by interpanneau margin, punctured small "OS", marginal at base from lower pane showing two line "T. S. HARRISON" Monogram, of fine delicate colour, stamps unmounted og. Extremely rare - Brusden White states that only three blocks of four with this imprint have been confirmed, this is believed to be the sole Official block BW 19E(2)zi = $ 32'000.rnrnProvenance: Collection Stuart Hardy, Phoenix, Melbourne, 9 May 2013, lot 292.