The B.A.N.Z. Antarctic Expedition:Official original photograph by Captain Frank Hurley:Image A55 - title: 'And ice, mast high, came floating by as green as emerald',with official 'Mawson Antarctic Expedition' handstamp and release date 'Tuesday May 6, 1930' verso, together with the official letterhead, title, and details of the image, 'The Discovery navigating a precarious course through fields of stranded icebergs off MacRobertson Land',13 x 36 cm.