1952 Kalimpong (15 Sep) to Lhasa, f.w. Indian 2a issue on reverse,
tied by Kalimpong cds. Transit Gangtok BPO (16 Sep), Gyantse BPO
(20
1952 Kalimpong (15 Sep) to Lhasa, f.w. Indian 2a issue on reverse,
tied by Kalimpong cds. Transit Gangtok BPO (16 Sep), Gyantse BPO
(20 Sep) withtype B5 cds.In combination with Tibet 3rd issue 1/2t
in pair, tied by Gyantse type VIII cds. Reflecting Tibetan domestic
single rate from 1935 to 1945, not to mention the scarce Gangtok
BPO cds.