清乾隆 青花雲龍紋'懋勤殿'款印盒 Of circular form, the cover finely enamelled with a pair of five-clawed dragons with scaly body and arms outstretched in vivid cobalt blue, flanking a three character mark 'Mao Qin Dian' at the center, the body enamelled with similar pattern, all reserved on a dense cloud background. The base inscribed with six character Qianlong mark. Qing Dynasty Qianlong period. 印盒扁圓形，子母口，圈足。蓋面及盒壁以淡描青花祥雲紋為地，用深色青花各繪兩條行龍，騰於雲海之間，盒蓋正中長方形開光內書“懋勤殿”三字。懋勤殿位於紫禁城內乾清宮西廡，始建於明嘉靖十四年，“取懋文勤武之義，故以貯典籍文房”，此外懋勤殿還用於存放當朝正在使用之寶璽，清代乾隆、嘉慶二位皇帝常在此批閲奏本、鑒賞書畫，自乾隆九年起，在懋勤殿中陸續編修《石渠寶笈》、《天祿琳瑯》、《秘殿珠林》、《西清古鑒》等書.。 來源: 加拿大多倫多私人藏家收藏