Mei (signature) : Mumei (unsigned) attributed as Omi school.
Length : 7.73 cm x 7.18 cm ( 3.04 inches x inches)
Thickness of rim: 0.39 cm ( 0.16 inches)
Jidai(era) : Edo period.
Special feature: The Battle of Dan-no-ura is carved inlaid with gold color.
Initially, the Taira clan overwhelmed the Minamoto clan, but the tide gradually turned, and Yoritomo’s forces of the Minamoto family defeated the Taira family in the Battle of Dannoura at March 24, 1185 and won the war.
AOI estimation paper
In Kiri box.