In 1719, Tokugawa Yoshimune, the 8th shogun in the Tokugawa shogunate, requested Hon'ami K?ch?, who was an authority of sword appraisal, to report swords possessed by daimyo all over Japan in textbooks. In the finished "Ky?h? Meibutsu Ch?" (?????) 249 precious swords were described, and additional 25 swords had been described later. The record also