I'm not very knowledgeable about pottery, but I have a Bizen ware piece with the mark "彩" (color/decoration) on the bottom. I don't know its value very well, but I understand that the history of Bizen ware dates back to the Kofun period, and it's known as Bizen ware. One of the advantages of Bizen ware is that it's said to help cut flowers last longer. I learned something new! I've heard that Bizen ware is expensive, so I've priced this accordingly. Size: Height 13.5cm, Inner mouth width 2.2cm, Bottom diameter 6.2cm - Color: Red-brown - Shape: Tapered - Material: Pottery - Features: Vertical stripe pattern - Mouth: Narrow - Base: Wide Thank you for looking!