USPS to Implement Second Postage Rate Increase in 2021 - Stamps

Price of mail climbs again: Postal service asks for 2-cent increase for first-class stamps - Washington Times

Stamp prices set to increase for 2nd time this year: How much will Forever Stamp cost?

See the 2021 Holiday Postage Stamps From USPS – NBC4 Washington

U.S. Postal Service raises the price of 'Forever Stamps' on July 10

History of United States postage rates - Wikipedia

U.S. additional-ounce, postcard rates to go up in 2021

2021 Postage Rates Increase For USPS First Class Mail - CalliRosa - Calligraphy and Custom Design

USPS Postage Rate for July 2023 — Little Postage House

Price of Forever Stamp on the Rise Again

USPS Requests Postage Increases that Would Take Effect in August 2021 - Digital Dog Direct

Price of Forever Stamp on the Rise Again

U.S. Postal Service raising rates July 9; How you can save money now