A DUAN INKSTONE WITH A JADEITE-INSET HUANGHUALI COVER, QINGChina, 1644-1912. Of circular form, the duan stone of a dark blackish-purple color with ample ink residue and faint, pale turquoise striations. With a circular huanghuali cover inset with a jadeite bi disk, the jadeite of a celadon tone with darker green shadings, the wood of fine grain and color. (2)Provenance: From a private collection in California, USA. Condition: Excellent condition with minor wear, occasional light scratches, minuscule nicks here and there, ink residue to the well of the inkstone, the jadeite disk with a crack.Weight: 1,658 g (total) Dimensions: Diameter 20.4 cmAuction result comparison: Compare with an inscribed duan inkstone of similar form and slightly larger size, with a zitan cover, offered by Sotheby's New York in Important Chinese Art on 20 March 2019, lot 696, bought-in at an estimate of USD 20,000-30,000.清代端硯黃花梨蓋内嵌翡翠 中國,1644-1912年。圓形呈深黑紫色的硯石,帶有大量墨水殘留和淡淡的綠松石色條紋。 圓形的黃花梨蓋上鑲有翡翠,青瓷色的翡翠帶有深綠色的陰影,木材具有細膩的紋理和顏色。 來源:美國加利福尼亞私人收藏 品相:狀況極佳,有輕微磨損,局部有輕微刮擦與小刻痕,翡翠圓片有裂紋。 重量:縂1,658克 尺寸:直徑 20.4 厘米拍賣結果比較:比較一個形狀相似但略大些的紫檀蓋端硯,於2019年紐約蘇富比Important Chinese Art拍場,拍號606,估價USD 20,000 - 30,000。