Korean Buncheong Flat Bottle Vase with Incised Designs. Design and Technique: The bottle features a sgraffiato (incised) design of two swimming fish carved through a white slip coating, framed by floral motifs. This type of vessel is often called a "moonflask" or flattened bottle, typically constructed on a wheel and then flattened by hand. It is made of stoneware covered with a translucent glaze that has a fine crackle pattern. Cultural Significance: Buncheong ware represents a transitional ceramic style between the earlier Goryeo celadon and later Joseon white porcelain, known for its bold and experimental Highly collectible.