Mei (signature) : Mumei(Unsigned)
Length : 20.57 cm x 1.38 cm ( 8.09 inches x 0.54 inches)
Jidai(era) : Late Muromachi to early Edo period.
Special feature: On the Shakudo-nanako plate, some design which looks like turnip is engraved. That is entertaining design. This Shakudo shows signs of age.
AOI estimation paper
In Kiri box.