Australia: 1931 cover franked Kangaroo 9d violet small multiple wmk, tied by 'BANZ 1930-31 Antarctic Research Exp' penguin commem h/s in violet. To Tasmania with 'Hobart 25 MR 31' b/s. Extremely rare proper postal usage rather than the usual CTO type covers. (P) (Image1)

Estimate AU$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$900

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$1,100