An exciting search for traces of the pro­venance of a katana from the Taima-school, which was forged in the early 14th century. Three hundred years later, it came into the possession of Terao Naomasa, a high-ranking samurai and vassal of Tokugawa Yoshinao, the first lord of Owari.

Daniel Bürgin, born 1963 in Lenzburg (Switzerland), moved 1993 for a global company to Tokyo, where he became independent in 2001, and still lives there. He has published several books.