cover 1910 (20 Oct.) cover (addressee's name erased) registered from Peking to Argentina (arrival backstamp) bearing "Kitai" 1k. (2), 2K. (3), 3K. (2), 4k. (2) and 5k. cancelled by double-ring d.s.; 1911 (13 May) cover registered from Peking to Germany bearing "Kitai" 3k., 7k. and 10k. similarly cancelled