First Day Cover of Calcutta Post Office of Republic India.

First Day Cover of Republic India of 1946.

First Day Cover of Republic India of 1946.

First Day Cover of Republic India of 1957.

First Day Cover of Republic India of 1957.

First Day Cover of Republic India of 1957.

First Day Cover of Republic India of 1958.

First Day Cover of Congo Ovpt. of 1962.

First Day of Republic India of 1967.

First Day Cover of Republic India of 1967.