Produced in both central and provincial kilns during during the 1400s–1500s, Buncheong (literally means "powdered green"), like this wine bottle commonly feature gray-green glaze due to the usage of less processed and refined clay high in iron. Many experimental techniques: white slip, inlay, stamping, and incising, which had been explored and perfected by Goryeo-period artists, were also adopted for bucheong pottery, yet resulting bold and whimsical visual impacts, completely different from elegant and refined Goryeo celadons.