The B.A.N.Z. Antarctic Expedition: official original photograph by Captain Frank Hurley: image A78 - title: a Dazzling Sentinel on the Threshold of MacRobertson land, with official 'Mawson Antarctic Expedition' handstamp and release date 'Tuesday May 27, 1930' verso, together with official printed letterhead, title, and details of the image, '...the berg which is in an advanced stage of disintegration...',20 x 26 cm.