ZENG YU (1073-1135)

Details
ZENG YU (1073-1135)

Cursive Script Calligraphy (cao shu)

Album leaf, ink on paper, 12 3/8 x 15 7/8in. (31.4 x 40.2cm.)
The text is a letter to Yunzhi Zhixian Qige
Signed: Yu (twice)
Fifteen collectors' seals, including one each of an unidentified Song dynasty collector (Zhen Hui Tang Ji), Song Lao (1634-1713), Xie Songzhou (18th century), Jiang Xun (18th century), Jiang Biao (1860-1899), Fei Nianchi (1855-1905), two of Wang Qisun (1755-1817), three of Xu Wenwu (20th century), one of Zhang Heng (1915-1963), two of Chang Wenkuan, and one unidentified seal (Yu Jiang Zeng Shi Zhen Chang Shu Hua Yin)
Literature
Xu Bangda, Gushuhua wei e kaobian (Research of Forgery and Error in Ancient Chinese Paintings and Calligraphy), sequel vol., p. 220