Question

What do you understand by first day cover?​

Answer 1

Answer:

a cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.

Answer 2

Answer:

A cover marked so as to indicate that it was mailed on the first day of issue of the stamp it bears and from one of the cities at which the stamp was issued on that day.

Explanation:

I hope this answer will help you.