Set of 6 cups and its 6 under cups, teapot and fine milk jar porcelain Japan/China

Very nice set of 6 cups and its 6 under cups, teapot and milk jar; from china and japan. Full of very fine details. Some with stamp under the base. Fine porcelain. The cups date from the 19th century, early 20th century. In good general condition. Size: Cups: diameter: 5.5cm; height: 5.8cm. Under cups: diameter: 12cm; height: 2cm. Teapot: diameter: 5.5cm; height: 9.7cm; length with spout and handle: 14cm. Milk pot: diameter: 5cm; height: 10cm; length with handle: 11.5cm. Weight: 1.338kg.