Buncheong bottle Bottle, Korean, Joseon Dynasty (1392-1910), fifteenth to sixteenth century. Stoneware with iron oxide underglaze decoration; height 11 inches. WHY Kang Collection, Manhattan specialists in Korean art, sold this pear-shaped wine bottle during New York’s Asia Week in March. Priced at $25,000, it is an example of buncheong, a brushed white-slip stoneware mainly made …