AFTER SHEN QUAN Mandarin Ducks Hanging scroll, ink and color on silk, dated Qianlong dingchou, signed Nanping Shen Quan, with an artist's seal and two collector's seals, one of Cheng Zhenyi (1816-1853). 15 1/2 x 17 7/8in (39.4 x 45.4cm) Footnotes: Provenance: Collection of Cheng Zhenyi (1816-1853) （款）沈銓 倣林良鴛鴦浮萍 設色絹本 立軸 款識：乾隆丁丑秋七月，南蘋沈銓法林良筆。 鈐印：沈銓之印 藏印：歸安吳雲平齋審定名賢真跡、程氏楨義鑒藏 來源： 程楨義（1816-1853）舊藏 For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing