The USPS has released its 52-page Winter 2025 philatelic catalog. Each year, the United States Postal Service (USPS) publishes 3-4 catalogs of the stamps and commemorative material produced for that year.
RESOURCES
Stamp Smarter website (a collection of all the USPS Philatelic catalogs – up to 2024)
https://drive.google.com/file/d/1fx6T93JDbaAskJMFxmtVyp5Xt5RJZrO0/view
2024 USPS Philatelic Catalog
(Note: this catalog is not downloadable once a new catalog is available)
https://www.usps.com/stamp-collecting/assets/pdf/usa_philatelic_catalog.pdf
USPS Philatelic Catalog (Publication 508) request
https://www.usps.com/stamp-collecting/assets/pdf/usa_philatelic_catalog.pdf
State of Stamp Collecting 
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