A Doucai 'Immortals' Porcelain Plate斗彩海屋添壽圖盤potted with shallow rounded sides resting on a gently tapered foot, the interior decorated with a central medallion enclosing a celestial scene of Xi Wangmu, the Queen Mother of the West, standing on stylised iron-red cloud swirls, with an attendant behind her, and the Three Star Gods similarly gathered and standing on cloud swirls below, all against tempestuous waves, the base centered with a six-character Yongzheng mark within a double circle.Diameter 9 1/8 in., 23.2 cm.