Mei (signature) : Cyosyu Toyonobu saku
Length : 8.36cm x 7.92cm ( 3.29inches x 3.12inches)
Thickness of rim: 0.47cm ( 0.19inches)
Jidai(era) :late Edo period.
Special feature: Cyosyu Toyonobu is Okamoto and succeeded his father Kumanojyo and after that he becane a member of craftsman of the Cyosyu Domain. He is good at scenery and flower design engraving.
AOI estimation paper
In Kiri box.