Airmail cover from British India to Republic India

KGV, 1928,&nbsp;Air Mail, 1a&nbsp;(Ing. of New Delhi 1931)&nbsp;1a&nbsp;(brown),&nbsp;Aeroplane Mail,&nbsp;4th&nbsp;Dutch mail plane, Address to Rangoon,&nbsp;Cancelled at Park Street Calcutta on 11 Oct 1928 with Rangoon Delay on back 16 Oct 1928,&nbsp;Signed by Stephen Smith on back,&nbsp;Excellent Condition, Rare.&nbsp;

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