JUE, Vidriado ceniza

At first, I suspected this might be an ancient example of Seto ware, inspired by a bronze ceremonial cup, yet I remain uncertain.
When water is applied to the unglazed areas, a fragrance of aged earth arises, hinting at its antiquity. However, one ponders the era and region from which this exquisite piece hails. The gentle, flowing ash glaze conjures an impression of floral elegance.