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

US postage stamp and shipping prices go up Sunday - ABC News

USPS announces 2024 postage stamp designs with more coming soon

Breast cancer research stamp - Wikipedia

USPS announces 2024 stamp program

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A Rare 'Inverted Jenny' Stamp Sold for a Record-Breaking $2 Million at Auction

National Report news The Asahi Shimbun: Breaking News, Japan

Postal advocacy group says “excessive” July 9 stamp price hike will hurt consumers

729 - 1933 3c Federal Building at Chicago - Mystic Stamp Company