Dimensions; 4-1/8" H x 6-3/8" Diam. Chinese Yong Zheng porcelain stem cup (high bowl) of a simply deep and wide vessel, with round cavetto emerging the steep side wall to slightly flared rim, raised on splayed tall foot base. The exterior reserved in monochrome iron-red underglaze ground. Defined by the deep red glaze which is sourced from copper as the oxygen is depleted during the firing stage. Amazing monochrome porcelain with even coated glaze throughout which creates a mottled effect around the rim that is likened unto the blushing of human skin. The interior and concaved central base contain clean white underglaze.The interior foot rim bears a reign mark, a horizontal six underglaze blue script characters reign mark, Made in The Years of Yongzheng Reign Period of The Great Qing Dynasty.