Stencil of combs – reversible wooden workboard of Japanese craftsman

Craftsman’s wooden workboard for multiple production, coated in spraying red lacquer and green paint, with sign (design) of stencil of combs connected by being tied in a row. Showa period.
Very unique and rare Japanese tool as a memory, as arrangeable for many aspects and concepts as well. approx. 91 x 8.6 x 0.6 cm (35.82 x 3.38 x 0.23in)