Chinese Art A blue and white porcelain baluster vase China, Qing dynasty, 17th century . . Cm 12,00 x 25,00. Porcelain vase with underglaze blue floral and geometric decoration within cartouches. Vases of this type were produced in large quantities under the reign of the Emperor Kangxi (1661-1722) and destined to be exported in Europe where they were highly appreciated for their sober chromatic contrast.