17th/18th century Moulded and incised to resemble a hollow stalk of bamboo, with nine nodes decreasing in length towards the sealed base pierced with five apertures arranged in the shape of a Chinese coin, the open end with a small V-shaped cut, pierced along the length with a membrane hole to the underside, five finger holes on the top and two opposing sound holes on the sides, covered overall with a clear glaze, wood stand. 59cm (23 1/4in) long (2).