A RARE TURQUOISE PEKING GLASS STEM BOWL AND COVER, QIANLONG MARK AND PERIODChina, 1736-1795. The deep rounded sides rising from the tall spreading stem, the domed cover surmounted by a lotus pod-form knop. Finely carved and molded with numerous overlapping lotus petals to both the stem bowl and the cover. The opaque glass of a rich turquoise color. The base with an incised four-character seal mark Qianlong nianzhi within a square and of the period.Provenance: From a private collection in New York City, New York, USA.Condition: Excellent condition with minor manufacturing-inherent irregularities and some traces of use, mostly to the base ring, rims, and knop. Old wear overall and some shallow surface scratches. Over the years the lid seems to have been more exposed to sunlight than the vessel, resulting in marginal color mutation as expected.Weight: 1,391 gDimensions: Height 15.2 cm, Diameter 12.4 cmAuction result comparison: Compare a related turquoise-blue glass censer, also with a four-character incised Qianlong mark and of the period, with similar lotus petals, but of smaller size (10 cm wide), at Christie’s London in Fine Chinese Ceramics and Works of Art on 9 May 2017, lot 29, sold for GBP 11,250. Compare also a related Peking glass container, with similar lotus petals but of a different color, unmarked but dated to the Qianlong period, at Bonhams San Francisco in Fine Asian Works of Art on 22 June 2010, lot 2114, sold for USD 13,420.乾隆款及年代罕見綠松石色蓮紋琉璃蓋杯 中國，1736-1795年。蓋杯深腹，高足，重叠蓮花紋。杯蓋蓮花鈕。濃鬱的綠松石顏色，不透明玻璃。底座刻四字篆書“乾隆年製”款。 來源：美國紐約私人收藏。 品相：狀況良好，有輕微製造瑕疵和一些使用痕跡，主要是底座、邊沿和蓋鈕。整體磨損和一些表面淺劃痕。多年來，可能是因爲蓋子比杯子更多地暴露在陽光下，導致邊緣顏色不一。 重量：1,391 克 尺寸：高15.2 厘米, 直徑12.4 厘米 拍賣結果比較：比較一件相近綠松石色玻璃香爐，同樣有乾隆四字款和年代，但尺寸稍小 (10 厘米寬)，見倫敦佳士得Fine Chinese Ceramics and Works of Art 2017年5月9日 lot 29, 售價GBP 11,250；比較一件相近北京玻璃罐，蓮紋，但顔色不同，無款但為乾隆年代，見舊金山邦翰思Fine Asian Works of Art 2010年6月22日 lot 2114, 售價USD 13,420。