Postal rates to rise slightly from Oct. 1; new stamp designs unveiled

New USPS® Postage Rates for 2023 - Effective July 9, 2023

USPS mail price increases: Forever stamps to cost 2 cents more Jan. 21

U.S. Postal Service announces stamps to be issued in 2023

Hello, 2021 - U.S. Postal Service Announces Upcoming Stamps - Newsroom

USPS to launch new Priority Mail series Jan. 22 featuring Webb Telescope photos of remarkable stellar formations

Postage stamps and postal history of the United States - Wikipedia

US Postal Service announces price increases for stamps in 2024 – NECN

USPS proposes 5th postage hike since 2021 — a move critics call unprecedented - CBS News

U.S. Postal Service Reveals Additional Stamps for 2024

Postage stamps and postal history of the United States - Wikipedia

Stamp Collector Magazine - February 2024 Subscriptions

NATIONAL U.S. POSTAGE STAMP DAY - July 1, 2024 - National Today

Q6 - 1913 10c Parcel Post Stamp - Steamship & Mail Tender - Mystic Stamp Company