AAT: 2017 - Cultural Heritage - Base Cancel Set of 4

Description
Covers and Stamps focusses on Australian heritage in the Antarctic. The stamps present artefacts from three historical periods - exploration, interwar and post war eras. Items depicted are aneroid barometer (used by Shackleton), Proclamation over King George V Land signed by Douglas Mawson and over snow vehicle Weasel M29. Cover set of four base cancels Macquarie Island, Mawson, Davis and Casey Stations.
Fine condition and attractive.