Wikipedia: A
postage meter is a mechanical device used to create and apply physical evidence of
postage (or
franking) to mailed matter. Postage meters are regulated by a country's postal authority; for example, in the
United States, the
United States Postal Service
specifies the rules for the creation, support, and use of postage
meters. A postage meter imprints an amount of postage, functioning as a
postage stamp, a
cancellation and a dated
postmark all in one. The
meter stamp serves as proof of payment and eliminates the need for adhesive stamps.
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