Large doucai cup on a high base (so-called stem cup), China, probably Qing dynasty (1644-1912) 19th century, large projecting porcelain bowl on a high, hollow base with doucai decoration in cobalt blue and iron red, decoration of five-clawed blue dragons in a red waving sea, apocryphal six-character mark Xuande on the bottom of the bowl, 1 chip on the rim, 17.4x12cm, 493g