Mei (signature) : mumei(Unsigned)
Length : 7.73 cm x 7.76 cm ( 3.04 x 3.06 inches)
Thickness of rim : 0.6 cm ( 0.24 inches)
Weight : 90 grams
Jidai(era) : Edo period.
Special feature: Shachihoko engraved on round iron Tsuba.
Shachihoko is a fictional creacher that is said to have head of tiger adn body of fish. Shachihoko was treated as guardian angel in Japan.
AOI estimation paper
In Kiri box.