It’s possibly the oldest time capsule uncovered in the U.S.
According to the Boston Globe, The copper box is similar in size to a cigar box and has turned green from oxidation. It was found in the cornerstone of the statehouse on Beacon Hill, which was completed in 1798.
It’s the second time the time capsule has been unearthed. It was removed in 1855 during emergency repairs to the building and was then replaced.
USA Today reports, that the world will have to wait a little longer to learn the truth about exactly what’s inside. The box is scheduled for an X-ray over the weekend.