Compare to a celadon jade censer and cover, dated mid-Qing period, with a very similar 'lotus fruit' finial, illustrated in Zhongguo Yuqi Quanji, vol. 6, pl. 358.
Post Lot Text
A SPINACH-GREEN JADE MUGHAL-STYLE CENSER AND COVER
CHINA, QING DYNASTY, 19TH CENTURY