This is the Shinogi series from Ichiryu Toen, a stylish brand of Hasami ware. Purchased several years ago. Used a few times and then stored in a cupboard. There are no cracks or chips. It can be used in dishwashers and microwaves, making it very useful for everyday dining. It's the perfect size for a teacup, and you can enjoy Japanese tea, coffee, tea, or anything else. ●Diameter 77mm x Height 85mm ●Capacity 200cc ●Microwave/Dishwasher safe 〇 Oven not allowed × The coaster is handmade by an amateur. We appreciate your understanding.