Imagine transporting a 45.5-carat diamond via mail. That's what the U.S. Postal Service really did. In 1958, one of the world's most infamous diamonds made the trip from New York City to its permanent home at the Smithsonian Museum in Washington, D.C. The dedication of USPS mail carriers is unmatched, whether it's a Father's Day card or The Hope Diamond. They always deliver. Learn more: go.geha.com/4dY6Br8 smithsonian #mailhistory #postalhistory #didyouknow #nationalpostalmuseum #smithsonian