This lustrous stoneware vessel is a ewer, or pitcher, dating to the early 1100s, during Korea's Goryeo dynasty (918–1392). It was probably used for wine, which may have been warmed by placing the ewer in a matching bowl of heated water. The ewer's color is called celadon, which is created by a glaze that includes iron oxide. Today, connoisseurs around the world continue to treasure Goryeo celadon as among the most precious items created by Korean artisans. Learn more about Korean art.. Stworzone przez: Asian Art Museum.