With more than 6 million objects, the National Postal Museum has the second-largest collection of all Smithsonian museums. From philatelic rarities, to objects that enable postal operations, the rich and varied collection represents stories from around the globe, from the past to the present.
The National Postal Museum welcomes queries and information about items in its collection, including information that augments or clarifies the ownership history of objects. If you have information or questions, please email NPMObjectResearch@si.edu.
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