b'88Ex 991979984 975975** AUSTRALIAN ANTARCTIC TERRITORY: 1984 (SG.61 variety) 30c South Magnetic Pole Expedition, upper left corner marginal vertical strip (10) from the left of the only known pane, the upper six stamps showing blue colour almost completely omitted, another partially affected, unmounted mint, fine. Ceremuga certificate (2004) for the pane of fifty. EC AT122MCa, S.G. 61 var. $1,5002,000'