Tanto Mei-Kunimitsu
The Tanto Mei-Kunimitsu was a highly valued inheritance. It is a 13th century collection that went missing after the owner died.
The Wright Brothers’ Patent
The National Archives stores some of history’s most prized and rarest documents. It is a patent paper that describe in detail Wilbur and Orville Wright’s concept for a flying machine. It was stolen by an unknown felon without anyone noticing.