Mumei Ezo 蝦夷 menuki, Edaume no Zu 枝梅図 (Figure of Plum branch), Yamagane-ji 山銅地 (unrefined copper surface), 容彫地透 katachi-bori ji-sukashi (open work carved with the motif in full), 金色繪 Gold Iroe. They have Inyô 陰陽 (male-female) style posts. Inyou also translates to dual forces, yin and yang, sun and moon, etc.

I believe these menuki date to the late Muromachi to Azuchi-Momoyama 室町時代後期 - 安土桃山時代,.

These floral menuki are very closely related in design and appearance to Ko Mino 古美濃 work, and since Ko Mino development is rooted to a considerable extent in Ezo 蝦夷, It is suggested these menuki would probably date a bit later, to sometime around the 1500's - 1560's.

At the end of the 1970's Mr. Tom Buttweiler wrote his very informative article on the Ezo fittings and to this day it is the most ever written on the subject. It was hailed by Sasano Masayuki as being a great study on Ezo.

The sizes are as follows. Hidari 左: 19.6mm x 45.3.mm x 4.3 mm. Migi 右: 19.1 mm x 46.5 mm x 4.3 mm.

Hakogaki by Kanzan Sato.

Front:

Edaume Menuki: Plum branch design Menuki - 枝梅 目貫

Inside:

Yamagane-ji Sukashi: Unrefined copper base, Openwork - 山金 地透

Katachi-bori Mekki: High relief carving, Gilt finish - 容彫 鍍金

Mumei Ezo: Unsigned Ezo School - 無銘 蝦夷

Showa san-ju-ni nen, fuyu: Winter of Showa 32nd yr. (1957) - 昭和卅二年冬

Kanzan - 寒山 (2 seals)