Mei (signature) : Mumei(Unsigned)
Length : 1.42 cm x 9.66 cm ( 0.55 inches x 3.80 inches)
Jidai(era) : Late Edo period.
Special feature: On the shiny Suaka copper Tsuchime plate,
fish is inlaid with silver, and butterbur sprout is engraved with copper plate with gold color.
AOI estimation paper
In Kiri box.