Beautiful Japanese inro with a swimming highly detailed koi fish on each side. Each koi is delicately carved out of tortoise shell with glass eyes and details in gold lacquer. The body of the info is original lacquer in gold with with gold details and raised tendrils of water. 4 individual pieces (3 compartments), signed on bottom "Kyushi", Edo Period Early 18th century. Original condition. Size: 2 3/4" high x 2 5/8" wide 3/4" thick