Diameter: 14 cm Made in the Wado era I have no product knowledge, so the photos are everything. There are also rust and traces of stickers that appear to have been peeled off at the time of purchase. I will answer questions to the best of my ability. I can also add more images if you wish. Thank you. Cast copper, kensui (water container) Copper bowl, made in the Wado era, copper, metalwork, tea ceremony utensils, old copper, China, art, antique, koshu (spittoon), fire pit, vintage, Buddhist altar fittings, kaigu (complete set of tea ceremony utensils), copper alloy, charcoal procedure for tea ceremony, for memorial services, etc., ancient patterns Type... Tea ceremony utensils