A SPINACH GREEN JADE ‘DUCK’ LIBATION CUP, QING DYNASTYChina, 19th century. The unusual vessel crisply carved in openwork in the form of a duck with neatly incised feet and plumage, the face with round bulging eyes, a remarkably long beak that serves as a handle, and flanked by lobed flanges. The translucent stone is of a deep spinach-green tone with dark-green and black specks as well as few white and russet inclusions.Provenance: British trade. Condition: Very good condition with minor wear and minuscule nibbling to exposed areas. The stone with natural inclusions and fissures.Weight: 566.2 g Dimensions: Length 19.4 cmAuction result comparison:Type: Remotely relatedAuction: Bonhams London, 6 November 2006, lot 146Price: GBP 10,800 or approx. EUR 21,000 converted and adjusted for inflation at the time of writingDescription: A fine spinach-green jade rhyton, 19th centuryExpert remark: Compare the related type of jade, beast-head carving, period and size (18 cm)清代碧玉鴨形杯中國，十九世紀。鴨形杯，雕刻細節精緻，臉部有圓鼓的雙眼，長喙，生動活潑。半透明的碧玉呈深菠菜綠色調，帶有深綠色和黑色的斑點，以及少量的白色和赤褐色內沁。 來源：英國古玩交易市場。 品相：狀況極好，有輕微磨損，具有天然內沁和裂縫。 重量：566.2 克 尺寸：長19.4 厘米 拍賣結果比較： 形制：稍微相近 拍賣：倫敦邦瀚斯，2006年11月6日，lot 146 價格：GBP 10,800（相當於今日EUR 21,000） 描述：十九世紀碧玉龍形杯 專家評論：比較相近的玉杯型制、獸首雕刻、年代和尺寸 (18 厘米)。