Late Edo Katana attributed to Koyama Munetsugu | Samurai
Late Edo Katana attributed to Koyama Munetsugu | Samurai,Early Edo Katana signed by Yoshiyuki for sale | Samurai,Amazon.co.jp: 武装図説 鈴木敬三 明治図書出版 昭和29年発行,Antique Japanese Sword Wakizashi Signed by ShinkaiNo,軍用記/故実叢書 - Wikisource