A YONGZHENG MARK & PERIOD BOWLChina, 1723-1735. The base with the six-character mark painted in cobalt-blue within a double circle. The outside of the conical porcelain bowl covered with a rich and unctuous jilan sacrificial blue glaze.Provenance: Private collection. Acquired at Christies, The Doris Duke Collection, New York, 3 June 2004, lot 421 (this lot originally contained two bowls). Christies auction label inside the bowl, reading "03 JUN 04, Sale 1455, Lot 421" and a second Christies label to base.Condition: Broken into several pieces and professionally restored. No spraying, just minor touch-ups, so that the hairlines remain visible. Still in presentable condition.Weight: 488.7 grams.Dimensions: Diameter 22.5 cm.雍正款及時期斗笠碗中國，1723-1735。底部青花雙圈六字款。 碗外全施霽藍釉。來源：私人收藏，購於紐約佳士得2004年6月3日The Doris Duke Collection拍賣場，拍品號 421。原始標簽在碗底。品相：曾碎成幾片，經過專業修復。沒有塗層，只是粘合，所以可見髮絲綫裂紋。品相可觀。重量：488.7 克尺寸：直徑22.5 厘米