The arrow that pierced Katsutoyo's cheek became the family treasure of the descendants of his retainer Tamekiyo GOTO, who pulled the arrow out, and is currently owned by the Folk Heritage Museum in Aki City, Kochi Prefecture.
このとき一豊の頬に刺さったと伝えられる矢はこのとき矢を抜いた郎党の五藤為浄の子孫が家宝とし、現在高知県安芸市の歴史民俗資料館に所蔵されている。