First Day Covers are envelopes affixed with a newly issued postage stamp or stamps and bearing the postmark of the first day of issue and an officially chosen place of issue made available for sale to the public.

To subscribe to my channel click on this link given below:
https://www.youtube.com/channel/UCr_vDrSgwzxLYnFLa4OKDGA/?sub_confirmation=1
#firstdaycovers#philately#hobbies