The Smithsonian isn’t called the nation’s attic for no reason. In 1997, the institution added two Spam cans to its auspicious collection that already included Americana such as Seinfeld‘s puffy shirt and The Wizard of Oz‘s ruby slippers. One of the Spam cans is an original design produced in 1937, and the other represents the can’s 1997 redesign. Until that year, Spam was one of the only products that had used the same label for 60 years.