MONGOLIA MONGOLIA: 1931 Dec 21 Red band envelope to Kalgan China franked on reverse 1931 Postage Dues 5m on 5c brown violet + 20m on 20c bistre brown tied by Ulan Bator cds, on arrival Chines postage dues applied 20c Peking printing + 30c blue London printing  (J57/50), very fine and unusual mixed franking, censor cancels applied both sides with boxed KITAI - KALGAN in cyrillic on reverse, fine.MONGOLIA MONGOLIA: 1931 Dec 21 Red band envelope to Kalgan China franked on reverse 1931 Postage Dues 5m on 5c brown violet + 20m on 20c bistre brown tied by Ulan Bator cds, on arrival Chines postage dues applied 20c Peking printing + 30c blue London printing  (J57/50), very fine and unusual mixed franking, censor cancels applied both sides with boxed KITAI - KALGAN in cyrillic on reverse, fine.

MONGOLIA: 1931 Dec 21 Red band envelope to Kalgan China franked on reverse 1931 Postage Dues 5m on 5c brown violet + 20m on 20c bistre brown tied by Ulan Bator cds, on arrival Chines postage dues applied 20c Peking printing + 30c blue London printing  (J57/50), very fine and unusual mixed franking, censor cancels applied both sides with boxed KITAI - KALGAN in cyrillic on reverse, fine.

£575

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