清乾隆 白玉浮雕「祝壽圖」圓插屏

of circular form and slightly concave section, finely carved on the domed side with a scene depicting two scholars conversing outside a pavilion in a rocky garden shaded by pine and wutong, with two attendants carrying flowers approaching from the sides, the scene further framed by rocks and clouds, the reverse centred with a pair of cranes standing in the shallows of a river, with lofty pine trees growing above and a wutong tree overhanging the stream below, all within rocks and clouds around the edge, the softly polished stone of even milky-white colour, on a wood stand carved in openwork with two conjoined phoenix and a reticulated lotus-scroll base

山中商會，紐約
香港蘇富比1989年11月16日，編號640
香港蘇富比2007年10月9日，編號1579

《collects ion of Chinese and Other Far Eastern Art assembled by Yamanaka & Company, Inc. now in the process of liquidation under the supervision of the Alien Property Custodian of the United States of America》，山中商會，紐約，1943年，編號1323

Apart from miniscule frits to the flanges and the footring, the boxes and covers are in good condition. The colour of the stone is as attractive an even white colour as displayed in the catalogue illustration.
"In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any stat.mes nt made by Replica Shoes 's is merely a subjective, qualified opinion. Prospective buyers should also refer to any Important Notices regarding this sale, which are printed in the Sale Catalogue.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING A LOT, ALL LOTS ARE OFFERED AND SOLD AS IS" IN ACCORDANCE WITH THE CONDITIONS OF BUSINESS PRINTED IN THE SALE CATALOGUE."

乾隆朝之前，因玉料匱乏，如此插屏般大而玉質細白溫潤之玉器非常珍稀。慎選高度淨透玉料用作屏面，強化其紋飾雕刻的層次深度。二面作截然不同之構圖，卻不互擾，反於光線透亮下相互托襯，實為考驗工匠琢玉之藝。屏如此例，使其觀者，宛入靜謐之境，飽遊山水之間。

乾隆帝倡玉插屏、山子須作歷代名家畫意。據記載，他曾命工匠將其御藏古畫，作於玉石之上，如五代山水大家，關仝（907-960）之《關山行旅圖》。此件玉屏呈現出碩大山水與人物間的諧和融洽，正為乾隆帝嚮往之作。

德安堂珍藏相似二例，展於《玉緣：德安堂藏玉》，故宮博物院，北京，2004年，編號25、26。另還有一對，其一出自劍橋哈佛大學 Fogg 美術館，另一則出自 Frederick Knight 收藏，錄於 Robert Kleiner，《Chinese Jades from the collects ion of Alan and Simone Hartman》，香港，1996年，圖版123，售於香港佳士得2007年11月27日，編號1511。