Mei (signature) : Mumei(Unsigned)
Length : 9.68cm x 1.39cm ( 3.81inches x 0.55inches)
Jidai(era) : Edo period.
Special feature: Iron plate with bird design engraved and inlaiwd with gold and silver. The design is fine style. The bird is holding to the bait in his mouth.
AOI estimation paper
In Kiri box.