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American Philatelic Society

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Join a worldwide community of stamp collectors.

The APS helps people discover and explore the fascinating world of stamp collecting through its extensive range of educational programs, community, library, services, publications, and outreach initiatives.

About the APS

With members in more than 110 countries, the American Philatelic Society is the largest non-profit organization for stamp collectors in the world. Founded in 1886, the APS serves collectors, educators, postal historians, and the general public by providing a wide variety of programs and services. Our members enjoy access to the one of the world's largest philatelic libraries, a monthly award-winning magazine, and safe avenues for buying and selling philatelic materials.

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About the American Philatelic Research Library

The APRL has one of the world's largest and most accessible collections of philatelic literature. Its nearly three miles of shelving contain more than 23,000 books and 5,700 journals. The APRL Digital Collections include digital versions of resources from the APRL collection, as well as born-digital resources and contributed content from other sources.

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