Size: Mouth diameter 5-5.5 x height 2.5-3 cm Weight: 31-32g I received these as a gift, so the purchase date, usage period, etc., are unknown. This is a set of 4 brass sake cups/ochoko. Overall, there is a feeling of use due to aging, including scratches, dirt, dirt in crevices, scuffs, dents, discoloration, rust, dullness, warping, stains, white spots, etc. Please refer to the images as these are used items. Accessories other than the tea set, such as the box, are missing. Please understand this as these are used items. #Brass Sake Cups/Ochoko #Brass Sake Cups #Brass Ochoko #Sake Cups #Ochoko #Sake Cups #Retro #Antique #Imperial Cups #Ochoko #Showa Retro 23/1518