AF20331-Tsuba: mumei (Kacchushi) Kuyo Mon

Tsuba: (NBTHK Hozon Tosogu)
Mei (signature) : mumei (Kacchushi)

Length : 8.09cm x　8.05cm ( 3.18inches x 3.16inches)
Thickness of rim: 0.29cm ( 0.11inches)
Weight: 85g
Jidai(era) :End of Muromachi – early of Edo
Special feature: Round iron Tsuba, Kuyo Mon are engraved with openwork

NBTHK Hozon paper
AOI estimation paper
In Kiri box.