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Stamps.com on X: "The USPS has proposed a postage rate increase for mailing services to start Sunday, August 29, 2021. If you buy postage online, the price of a First Class Mail
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New USPS® Postage Rates for 2023 - Effective January 22, 2023
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USPS Priority Mail Stamp for Flat Rate Envelope ($9.85 value) | eBay
Can someone explain how this went coast to coast First Class for only $1.20? First class typically costs me $3.70+ : r/USPS
2018 USPS Changes - First Class Mail International / Flat : Customer Support Portal
