Vistas Chapter 1 Third Level — English STD 12 Science — Question
Rajasthan BoardEnglish MediumSTD 12 ScienceEnglishVistas Chapter 1 Third Level2 Marks
Question
What is the first-day cover?
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Answer
At that time when a new stamp is issued, stamp collectors buy some of them and use them in order to mail envelopes to themselves and the postmark proves the date. That envelope is called the firstday cover.
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