Lot 2275. Chen Hongshou (1598-1652), Alchemist, ink and colour on silk, hanging scroll, 125 by 48 cm; 49 1/4  by 18 7/8  in. Estimate 800,000 — 1,200,000 HKD. Lot sold 3,240,000 HKD (335,419 EUR). © Sotheby's 2018. 

signed Laolian Hongshou and with two seals of his
with six collector’s seals of Zhang Daqian(1899 - 1983) and one collector’s seal of C.C. Wang(1907 - 2003). 
With pale celadon porcelain knobs inscribed Dafeng Tang Cang 

Provenance: Sotheby's New York, Fine Chinese Paintings, 28 November 1994, lot 19.

Sotheby's. Fine Classical Chinese Paintings, Hong Kong, 01 Apr 2018