Dear Heloise: I work forthe U.S. Postal Service,and occasionallycustomers will come intoour office with stamps ontheir letters that have beencut or peeled off other envelopesbecause they arenot canceled.Once a stamp has beenadhered to an envelope, it isconsidered used even if it hasn'tbeen canceled. It cannot besteamed, peeled off or cut andglued onto another envelope.I know in this economy we …
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