AFTER CAO ZHIBAI (1272-1355)Rock and Tree Hanging scroll, ink on paper, with a spurious inscription dated zhizheng wunian (1345), and signed Cao Zhibai with two seals, and additional inscription dated Chongzhen guiwei (1643), and signed Xiang Shengmo , with two seals, with four collector's seals lower left, the outer titleslip inscribed in clerical script by Hu Zuoqing (1901-1979). 39 1/4 x 17in (99.7 x 43.2cm) 仿曹知白（1272-1355） 寒柯叢篠圖 水墨紙本 立軸 款識一： 至正五年冬日雲西老人曹知白寫 鈐印：曹知白、雲西老人 款識二 瘦筱欹朝露，寒柯逗晚霞。雲西此幀筆意高逸，少韻欲流，所謂脫塵境而與天遊也。漫題數語，以資景仰。崇禎癸未二月，項聖謨。 鈐印：孔、彰、易菴 鑒藏印：穉臣鑒賞、丁丑兵燹後得、子涵珍賞、小玲瓏館書畫印