INDIA (Sikkim State). 1928, self addressed cover, to Lt. Col. F. M. Bailey, c/o Postmaster at Pakyong and sent on to Gangtok, franked by SIKKIM 1920 1a. yellow Revenue, tied by MAGAN / SIKKIM c.d.s. in black. Reverse with GANGTOK arrival (Oct 9). Lt. Col. Bailey was the Political Officer for Sikkim and Tibet, stationed in Gangtok (Sikkim) from June 1921 - 16 October 1928, during which time he made annual visits to Tibet. A very rare cover. (Photo). Est. 200 - 300 CHF.