Dr David Tingay, the first Cape Denison Post Agent, franking letters. (Photo: Matt Tucker) Here's an account of the post office's first year of operation by Pauline Askin of Reuters. Originally published in january 2011. "Stamp ink that wouldn't stick due to the cold was just one of the challenges facing the newest Australian post office branch -- in Antarctica. The Cape Denison post office, clinging at the eastern edge of the vast icy continent, opened this month for its fir