It is minute work of Menuki that is composed by Shakudo and high existence in edo period.
A pattern is ?Dragon & Tiger-.
It is called ?Ryuko- in japan.
It is composed by powerful, dynamic and minute appearance.
It becomes powerful apparance when attached Koshirae.
Of course, it is the highest also in the ornamental use.

Please appreciate great Menuki in an old age.
There is an age about 18 to 19 century .
I will put in kirihako box and send it at post office by EMS mail from Japan.
Dimensions

【Length】 36mm
【Width 】 15mm
【Thickness】 5mm