Zhang Daqian (1899-1983), Feng Kai (1873-1931), Plum blossom, bamboo and calligraphy, 1930. Estimate  22,000 — 26,000 USD. Photo Sotheby's. 

(Painting) signed Shuren Zhang Daqian, dated gengwu (1930), the fifth lunar month, with one seal of the artist, zhang yuan yin
(Calligraphy) signed Feng Kai, with a dedication and one seal of the artist, feng jun mu; ink and color on paper, folding fan; 19 by 49.5 cm. 7 1/2  by 19 3/8  in.

Sotheby's. Fine Classical Chinese Paintings & Calligraphy New York, 17 sept. 2015