Australian Antarctic 1980/1982 Ship definitives on three First Day Covers, Casey
Australian Antarctic 1980/1982 Ship definitives on three First Day Covers, MacQuarie Island
Australian Antarctic 1980/1982 Ship definitives on three First Day Covers, Mawson
Australian Antarctic 1980/1982 Ship definitives on three First Day Covers, Davis
Australian Antarctic 1980 22c - Terra Nova (Scott's ship) First Day Cover, Mawson
