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Do I Need To Use More Than One Forever Stamp? [Solved]

For any domestic mail piece that weighs more than one ounce, you must include additional postage along with your Forever Stamp to ensure USPS delivery. Also, you may purchase higher denomination postage stamps for heavier postage at the Post Office™. Avoid placing two Forever Stamps on a mail piece for heavier mail.

FOREVER STAMPS WHAT ARE THEY

Stamps

Forever Stamps: One is all you need for a First Class Letter (currently 49cents)

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How many stamps do I need per oz?

00:00 - How many stamps