This is a plate by the popular glass artist Tokiko Kurokawa. Approximately 20.3 centimeters. I purchased it a long time ago, but I don't see a signature (Toki). As it is the work of an artist, there are bubbles and small bumps. Compared to 10 years ago, the price has increased by 30%, and it seems to be at a price that is difficult to afford. I haven't used it very often, but there are fine scratches that can occur when stacking dishes. It is a used item and has been stored for a long time, so please understand. Thank you.