A RARE CELADON-GLAZED RECTANGULAR JARDINIEREQianlong seal mark and of the periodRobustly potted of rectangular form with four bombé sides rising to a wide flared mouth with an everted rim, all supported on four stylisedruyi-cloud bracketed feet connected by an apron, the corners each set with three thinly moulded interlinkedruyi heads, the base pierced with two small apertures for water drainage, covered overall save for the footring by an even and flawless pale celadon glaze thinning at the fillet on the shoulders and on the corners revealing the white body beneath, the unglazed foot and apron dressed in a brown wash, the base inscribed in underglaze blue with a six-character reign mark.20.9cm (8 1/4in) wideProvenance: 清乾隆 粉青釉長方花盆青花「大清乾隆年製」篆款Provenance:An Asian private collection來源:亞洲私人收藏Jardinières of precisely angled, rectangular form are extremely rare as they are very difficult to produce. No other Ru-type jardinière of this exact form appears to be published.pare with a related pair of Guan-type glaze rectangular jardinières withparable form and size, Qianlong seal mark and of the period, illustrated inQing Imperial Monochromes: The Zhande Lou Collection, Hong Kong, 2005, p.108, pl.37, later sold at Sotheby's Hong Kong, 8 October 2012, lot 106. A Yongzheng example of different profile, with simpler flared sides, and with a stronger celadon glaze, was included in the exhibitionImperial Perfection. The Palace Porcelain of Three Chinese Emperors: Kangxi – Yongzheng – Qianlong. A Selection from the Wang Xing Lou Collection, The Minneapolis Institute of Arts, Minneapolis, 2004, ; another was sold at Christie's New York, 16 September 2011, lot 1575.花盆作長方形，口沿下內收，扁腹圓鼓，四雲形足微外伸，盆底鑽有兩孔，坯體厚重，上施粉青釉，潤澤晶瑩，圈足底無釉，器底書青花三行六字篆款。燒製條件要求嚴謹，器形方正之品難求，為乾隆粉清釉花器中的佳品，甚為稀有。一對暫得樓舊藏乾隆仿官釉花盆，大小、形制與底款與本拍品甚爲接近，可資參考，後於香港蘇富比2012年10月8日售出，拍品106。見一雍正例，形廓呈色有別，展於《清代康雍乾官窰瓷器：望星樓藏瓷》，明尼阿波利斯藝術學院，明尼阿波利斯，2004年，編號67；另有一雍正類例，售於紐約佳士得2011年9月16日，編號1575。