A Large Spinach-Green Jade Tripod Censer and Cover, 18th Century清 十八世纪 碧玉雕仿古饕餮纹活环三足盖炉The dragon-form handles carved in openwork with two movable rings, with body with taotie masks above and below the incised fret-patterned band, the domed cover surmounted by a coiled dragon finial, the translucent stone of typical spinach green tone, 5.5 in — 14 cm, length 7.5 in — 19 cmProvenance:Ex. Collection of Mr. Guo, ChicagoPrivate Vancouver Collection来源：郭先生私人收藏，芝加哥。其岳父沈仲涛（1892 - 1980）为现代藏书家，号研易楼主人。浙江山阴（今绍兴）人。早年在上海经商，后在商务印书馆、启明书局供职数年，后经商，以其盈利购书收藏。 1980年12月所藏书捐给台湾故宫博物院，为此，在他逝世后，蒋经国先生亲笔题写墓碑，以示表彰。著《华英易经》、《易卦与科学》等。温哥华私人收藏Note:A similar Qianlong mark and period spinach-green jade incense burner is kept in the Qing court collection, with similar square-form handles but with a flaring finial on the cover and a shorter foot, illustrated in "The Complete Collection of Treasures of the Palace Museum: Jadeware (II)", Shanghai, 2008, pl. 106类似乾隆碧玉炉请参考张丽瑞著《宫廷之雅：清代仿古及画意玉器特展图录》，台北，1997年，页49。清宫旧藏一乾隆带款例子，见《故宫博物院藏文物珍品大系：玉器（II）》，上海，2008年，图版106。Compare with examples sold at Christie's Hong Kong, December 2, 2015, lot 3315; Christie's New York, March 24, 2011, lot 1505; and Christie's Hong Kong, November 30, 2016, lot 3375Estimate: $15,000—18,000