India Rocket Mail – 1935 (Mar 23) Silver Jubilee Ship to Shore (Diamond Harbour), cover with yellow and blue label, tied by diamond shaped ”ROYAL SILVER JUBILEE /1910-1935/Crown/ROCKETGRAM/Crown”, dely cds on reverse, signed by D.C. King, Customs Officer of Diamond Harbour, fine, signed by Stephen H. Smith. From the L. V. Pont Collection of India Airmails.
SG - Cat - Scott Type c