This is a chin rest in the Clawson style, made from blue-striped ebony. Dimensions: Length 13.7 cm, Width 7.7 cm, Height 2.0 cm, Weight 73 grams. Finished with a glass coat. The glass coat uses no solvents such as thinner. It is an eco-friendly paint, so there is no risk of allergic reaction. This is a work by Yuji Matsuoka, a regular member of the Kogei Association. The seller is the artist. It comes with a decorative paper box and a brief biography. Thank you for looking.