Australia: 1911 PPC 'SY Aurora Australasian Antarctic Expedition 1911' franked Tasmania Pic 1d red tied by 'Loose Ship's Letter SY Aurora Postage at Macquarie Island cachet, with 'Hobart 21 DE 11' cds. F-VF, some pinholes etc, but excellent appearance. Such properly used postcards are much rarer than covers. 2022 Ceremuga AIEP photo-cert. (P) (Image1)

Estimate AU$1,500

Great Britain: 1921-22 Shackleton-Rowett Expedition. GB 1912-24 KGV 1d red blk of 4, with 2 strikes of 'TRISTAN DA CUNHA' cachet & central 'SR ANTARCTIC EXPEDITION 1921' cds. VFU. Very rare as only 1002 of this value used by the expedition. Certificate can be obtained on request. (P) (Image1)

Estimate AU$800

Great Britain: 1921-22 Shackleton-Rowett Expedition: GB 1912-24 KGV 6d purple blk of 4, with 2 strikes of 'TRISTAN DA CUNHA' cachet & central 'SR ANTARCTIC EXPEDITION 1921' cds. VFU. Very rare as only 326 of this value used by the expedition. Certificate can be obtained on request. (P) (Image1)

Estimate AU$1,000