J34-J38 (D58-62) 1908-09 1',-20' dull green Postage Dues on chalk-surfaced paper, wmkd Crown over Single-lined A (SG Type D4), perf 11½x11, pr perf 11, the 10' has a Sismondo certificate (and also signed by him), by any measure the absolute"key" set of all Australia, very rare!
