Tibet Chinese Post Offices 1911 set of 11 to 2r claret and bright yellow, SGC1/11Tibet Chinese Post Offices 1911 set of 11 to 2r claret and bright yellow surcharged at Shanghai, SGC1 11. A fine and fresh mint set with part to large part original gum. A very scarce set of surcharged stamps with interesting historical context. In the latter half of 1909 a large force of Chinese troops marched into Tibet and defeated the Tibetan army at Chamdo. The Chinese troops occupied Lhasa in February 1910 and the Panchen Lama, rival to the