Image: From left, United States Postmaster General Jack Potter, Smithsonian Government Relations Director Nell Payne, Lockheed Martin Distribution Technologies President Judy Marks, United States Postal Service Board of Governors Chairman James Miller and National Postal Museum Director Allen Kane at the opening of the Postal Museum's new exhibition "Stamps Take Flight."
Image: Renowned philatelist Tom Alexander leads a tour of the National Postal Museum exhibition "The 1847s: America's First Stamps." Alexander curated the exhibition, which was on view in 2003.
Image: Smithsonian Secretary Lawrence M. Small presents His Royal Highness The Duke of York with a piece of smithsonite. Smithsonite is a mineral named for British scientist James Smithson, founder of the Smithsonian Institution.