At least 70 years old. Apparently used for weddings, funerals, and other ceremonies. Set of 4. The white interiors have some color variations. For those who understand that these are used items and appreciate old things, thank you. - Quantity: Set of 4 Approximately 12.2 cm in diameter, 5.5 cm in height. Showa retro rice bowls, tableware. Storage location: Kitchen upper shelf, second row from the left.