Mei (signature) : Fugetsudo Chinchin(kao)
Length :7.62 cm x 7.11 cm ( 3 inches x 2.79 inches)
Thickness of rim :0.34 cm ( 0.13 inches)
Jidai(era) : Late Edo period.
Special feature: On the Shakudo Tsuba, two persons are engraved.
Fugetsudo Chinchin is swanky name of Nagafusa. Nakafusa lived in Tokushima prefecture. He studied under Nomura Masatsugu.
AOI estimation paper
In Kiri box.