Auction 333-341 Australian States & Commonwealth of Australia and New Zealand – The ‚KOOYONG‘ Collection - Day 2

1915 (April): 1 s. blue-green, Die II, wmk. second Crown over A, perf. 12, an unused corner marginal block of six (3 x 2) with "JBC" Monogram under fourth stamp, of superb centering and colour, full unmounted og. Visually stunning and an extremely rare multiple in such fine quality. Cert. Brandon (2021) Brusden White 31zb = $ 40'000+.