The USPS is raising postage rates, including a 3-cent increase in the price of a First Class Mail Forever Stamp. These new rates take effect July 9, 2023. Here's a summary of the new prices: PRODUCTCURRENT PRICEPROPOSED PRICEFirst Class Letter, 1 oz. metered$.60$.63First Class Letter, 1 oz. stamped$.63$.66Postcard, Domestic$.48$.51First Class Letter, 1 oz. International$1.45$1.50Postcard, International$1.45$1.50 The price change tables are also available on the Postal Service’s Postal Explorer website at https://pe.usps.com/PriceChange/Index.