Dong Qichang (1555-1636), Calligraphy in Running Script. Photo: Sotheby's.

signed Dong Qichang, with three seals of the artist, xuan shang zhai, tai shi shi, dong shi xuan zai. Colophon by Gu Chun (1765-1832), signed Chun, with three seals, gu chun zhi yin, xiao lai shi zhi jun, and one other (illegible); Bai Rong (1769-1842), signed Luhe Bai Rong, with one seal, rong; Chen Yongguang (1768-1835), signed Jiangxi Xincheng Chen Yongguang, with one seal, chen yong guang yin. With two other collectors' seals, qiao song mi wan, and one other (illegible); ink on paper, handscroll; 26 by 254 cm. 10 1/4  by 100 in. Estimation 40,000 -- 60,000 USD

Provenance: Christie's New York, June 5th, 1985, Fine Chinese Paintings, Lot 28

Sotheby's. Fine Classical Chinese Paintings & Calligraphy. New York | 19 sept. 2013 - http://www.sothebys.com