National Stamp Collection:
Held in trust by the Postal Museum for every US citizen, this national treasure illustrates America's history through stamps.
Postal Museum curators and philatelic experts selected these 4,000 stamps and mail pieces from the National Philatelic Collection and arranged them chronologically in ten chapters. They tell a unique story of the United States from the time before it became a nation to the present -- from a postal perspective.
Use the guide to find time periods that interest you.