Mei (signature) : Masatoshi(Kao)
Fuchi Length : 3.76cm x 2.09cm x 1.32cm ( 1.48inchs x 0.82inches x 0.29inches)
Kashira Length : 3.23cm x 1.64cm x 0.74cm ( 1.27inchs x 0.65inches x 0.29inches)
Jidai(era) :Edo Period Circa Bunsei to Tenho(1818-1844)
Special feature: On shibuichi plate Chinese child is engraved and inlalyed with gold and silver. Masatoshi has engraved signature Masatoshi as well. Later on, he studies under Iwamoto Konkan
AOI estimation paper
In Kiri box.