unsigned attributed to AKASAKA
Heraldic symbols (KIRI, KATABAMI, SAKURA, HANABISHI) openwork, Iron ground, polish surface, Nikubori / Kebori carving Well-contoured round Mimi Edge, Both Hitsu-ana punches
Edo period(18th C.)
85.4mm x 83.2mm 5.6mm thick (Mimi)
NBTHK(Tokubetsu Hozon) certificate