Imperial / Lomonosov Porcelain Coffee Cup w/ Saucer 'Blueberries' Made in: Russia by Imperial Porcelain Factory Material: Bone China, 22k Gold Capacity of Coffee Cup - 5.2 fl oz (155 ml); Diameter of Saucer - 5'' (12.6 cm) Author of Shape - A. Borisov Shape: Twisted; Collection: White Gold