Great Britain 1929-30 Antarctic Research Expedition commercial cover franked Uruguay 1928 8c Indigo (SG 551) tied by Montevideo machine cancel 27 Sep 1929 alongside 'Captown/11 Nov 1929 Kaapstad' cds (2 strikes) addressed to 'J.J Miller (crew, sail maker on expedition), Boson's Mate, SY Discovery, Antarctic Expedition of 1929-30 c/o GPO Capetown, readdressed to '40 Marine Branch Melbourne, Australia' b/s 'Poste Restante 11 Nov 29 Capetown Kaapstad' cds on 'Blue Star Line' envelope. Enthusiastically opened at left, some minor ageing but an interesting historical cover. Scarce. (P) (Image1)