Zhang Daqian (Chang Dai-chien) 1899-1983; Luo Dunhuan 1874-1954, Bird and flowers, poem in running script, 1937. Estimate  50,000 — 80,000 USD. Photo Sotheby's.

Painting signed Daqian Yuan, dated dingchou (1937), the six lunar month, with four seals of the artist, you yi zhong yuan, shu ke, shu ke, zhang yuan. Calligraphy signed Luo Dunhuan, with a dedication and one seal of the artist, fu weng; ink and color on paper, fan leaves mounted as a hanging scoll; 24.2 by 76.2 cm. 9 1/2 by 29 7/8 in.

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