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When do old stamps expire? How long you can use non-barcode stamps and how to exchange them with Royal Mail
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Royal Mail increases first- and second-class stamp prices - Parcel and Postal Technology International
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The Cost of a Stamp Just Went Up Again - The New York Times, Us Stamps Postage Forever Book Of 20 - valleyresorts.co.uk
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Royal Mail: Cost of first class stamp rises 10p to 95p with second class postage up by 2p to 68p | Daily Mail Online
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