AN INSCRIBED GILT-DECORATED PALE GREEN JADE PLAQUE18th centuryOf rectangular form, forming the frontispiece for a jade book, finely carved on one side with pine, prunus and bamboo, 'Three Friends of Winter', around an inscription framed by double line borders, readingYushu muhua haifu, the other side carved with calligraphy, the base inscribed with a single character,shui, all of the carving highlighted in gilding in contrast to the soft celadon colour of the stone, stand.22.2cm (8 3/4in) high (2).Provenance: 十八世紀 青玉「御書木華海賦」冊頁屏Provenance:Roy G. Cole Collection, Hamilton, OntarioChristie's Hong Kong, 1 Dec 2010, lot 3148來源：加拿大咸美頓Roy G. Cole藏香港佳士得，2010年12月1日，拍品3148The inscription states that this is an Imperial book. It describes the content of the book as aposition on the beauty of the sea written by the Western Jin dynasty poet Mu Hua (c.290 AD). Inscribed on the back of the present plaque is part of the first paragraph of the book.pare to a closely related 18th century jade book cover in British Museum, illustrated by J.Rawson,Chinese Jade from the Neolithic to the Qing, London, 1995, p.101.Two similar but slightly larger jade plaques, probably also Imperial book covers, were sold at auction: the first with scenes of the West Lake, sold at Christie's London, 13 May 2008, lot 115; the second with dragons framing a similar inscription to that found on the present example was sold at Christie's New York, 26 March 2010, lot 1137.玉屏背面刻有西晉木華著的辭賦《海賦》第一段節錄，'昔在帝媯臣唐之代，天綱浡潏，為凋為瘵；洪濤瀾汗，萬里無際；長波涾*，迆涎八裔。於是乎禹也，乃鏟臨崖之阜陸，決陂潢而相沷。啓龍門之岝*，墾陵巒而嶄鑿。羣山既略，百川潛渫。泱漭澹濘，騰波赴勢。江河既導，萬穴俱流，掎拔五嶽，竭涸九州。瀝滴滲淫，薈蔚雲霧，'，屏底單刻一「水」字。大英博物館藏一套十八世紀青玉「鴛錦雲章」冊頁封面可資參考，見羅森，《Chinese Jade from the Neolithic to the Qing》，倫敦，1995年，頁101。兩件較大的類例也曾在拍賣釋出，一件刻有西湖地圖，2008年5月13日售於倫敦佳士得，拍品115；另一件於2010年3月26日售於紐約佳士得，拍品1137。