In 1719, Tokugawa Yoshimune, the 8th shogun of the Tokugawa shogunate, purchased Hon'ami K?ch?, who was an authority of sword appraisal, to file swords possessed by daimyo all over Japan in publications. In the completed "Ky?h? Meibutsu Ch?" (?????) 249 treasured swords ended up described, and extra 25 swords have been described afterwards. The rec