Mongolia Chinese Post Office 1914 (13 Mar.) red band cover to Kalgan bearing, on the reverse, Waterlow print 3c. pair tied by Urga type IIIb c.d.s. and showing straight-line Tung Ying Tzu Letter Box no.2 and a fine strike of the large type Kalgan arrival (only used in 1914). A fine and desirable cover. Photo Estimate HK$ 3,000-4,000































