Iron tomoe sukashi tsuba signed "Bushu Ju Kunihiro" with NBTHK Hozon Tosogu. Decorated with six tomoe. According to Haynes Index Bushu Kunihiro was not a single person, but four or five artist working from around 1700 to 1800.
To read more about tomoe, please visit wikipedia:
https://en.wikipedia.org/wiki/Tomoe
Made in Edo period.
Size: 75 mm x 72 mm x 5 mm