This item has been stored for a long time. It is unknown whether it was used, but the copper material has aged and changed over time. Please check the images before purchasing. It appears to be a model that is no longer manufactured. Regarding the "chiro" (sake server), the current lidless ones seem to have a list price in the mid-20,000 yen range. This is a set of 4 items as shown in the images. It has a strong presence and would be wonderful for display. Vintage Antique