Can I use 3 Forever stamps for international mail? - Quora

Answer (1 of 21): My understanding is that the U.S. “Forever” stamps are not valid for international mail because they do have a value printed on them. Like Canada’s similar “Permanent” stamps, they are intended for domestic use only. That doesn’t mean that your mailing will, for certain, not get

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When sending documents in the mail in the United States, under

How many Forever stamps are there for 3 ounces? - Quora

How to know how many stamps to put on an envelope - Quora

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What will happen to Forever stamps we purchased if the U.S. Postal

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Can I slap 'Forever' stamps on a letter to Canada? - Quora

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Can you use postcard stamps on regular letters? - Quora

How many stamps do I need to mail an envelope with 5 sheets of