USPS Announces 2018 Postage Rate Increase - Stamps.com Blog
Postal rates to rise slightly from Oct. 1; new stamp designs unveiled
US postage stamp and shipping prices go up Sunday - ABC News
The USPS is set to increase the price of Forever Stamps
USPS proposes raising price of first-class stamp to 66 cents
Postage Prices Just Went Up Again. Here's How Much Stamps Cost Now - CNET
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USPS announces stamp price hikes for 2023
Presidents of the United States on U.S. postage stamps - Wikipedia
Price of Forever Stamp on the Rise Again
Price of a US stamp rises to 66 cents, the second hike this year and the 5th increase since 2019
Price of a Postage Stamp Set to Increase July 10
Postal service raising price of Forever stamp, other services