overprint on vertically laid paper, 10k. blue, seven examples comprising a strip of three, a pair and two singles affixed together with horizontally laid 1k. and 3k. values on piece, all cancelled by Hankow double-ring d.s. (8.5.09, Type 2). Fine. Unique and undoubtedly one of the most important items of Russo-Chinese philately. Signed by Calves and Holcombe. Photo" /> on piece 1904-08<I> "Kitai"</I> overprint on vertically laid paper, 10k. blue, seven examples comprising a strip of three, a pair and two singles affixed together with horizontally laid 1k. and 3k. values on piece, all cancelled by Hankow double-ring d.s. (8.5.09, Type 2). Fine. Unique and undoubtedly one of the most important items of Russo-Chinese philately. Signed by Calves and Holcombe. Photo | Christie's