Mei (signature) : Mumei (unsigned)
Length : 8.35 cm x 8.36 cm ( 3.28 inches x 3.29 inches.)
Thickness of rim : 0.38 cm ( 0.15 inches.)
Weight : 102 grams.
Jidai(era) : Edo period.
Special feature : Dragonfly carved openwork on round shape iron Tsuba with Uchikaeshi style rim. Dragonfly were called ‘Kachi-Mushi’, the meaning of insects of victory because they never goes back and liked by Samurais.
AOI estimation paper
In Kiri box.