RUSSIAN POST OFFICES IN SINKIANG: KASHGAR: 1918, Coat of arms 25k, 16 stamps, 20 k. as vertical pair and 50 k. as block of four tied by cds. "KASHGAR 29 5.18" to front and reverse of insured letter over 500 R. to Tientsin, reverse with five wax seals, a fine and rare cover.