India Rocket Mail – 1935 (Apr 7) Sikkim Durbar Rocket Experiments from Gangtok Post Office, cover bearing special blue and yellow 2r label tied by fancy cachet ”ROCKET MAIL EXPERIMENTS/SIKKIM”, dely cds on reverse, fine, 200 flown, signed by Stephen H. Smith.

Catalogue No: -
Catalogue Value: £-
Condition: Cover