Tsuba: (NBTHK Hozon Paper)
Mei (signature) : Nobukuni Yoshinao.
Length : 6.78 cm x 6.34 cm ( 2.66 inches x 2.49 inches)
Thickness of rim: 0.42 cm ( 0.16 inches)
Jidai(era) :late Edo period.
Special feature:On the round shaped iron Tsuba, rise up small mimi(rim) and on the ji, some design are engrave.
Nobukuni Yoshinao was called Chobei and working at late Edo period who was a coraft man of the Kuroda clan.
NBTHK Hozon Paper.
AOI estimation paper.
In Kiri box.