Ryukei Stone Inkstone An old item from the Showa era, an antique. It is very heavy and is believed to be a rare antique. 【Size】 Weight: (approx.) 3.8kg Length: (approx.) 20-22cm, at the longest part. Width: (approx.) 13cm, at the longest part. Height: (approx.) 10cm, at the highest part. Please note that there may be some errors due to amateur measurements.