Tsuba : Ogi Karigane Sukashi Tsuba (NBTHK Hozon Paper)
Mei (signature) : Mumei(Unsigned) (Akasaka school)
Length : 7.29 cm x 7.08 cm (2.87 inches x 2.78 inches)
Thickness of rim: 0.62 cm ( 0.24 inches)
Jidai(era) : Early to Middle Edo period.
Special feature: On the round iron Tsuba, Ougi Karigane (Family crest) no zu is engraved in openwork.
Engraving detail is very nice, Mimi is Maru-mimi style and Jitetsu is glossy.
NBTHK Hozon Paper.
AOI estimation paper.
In Kiri box.