Robuta

https://www.christies.com/en/lot/lot-6485823 LIU KUILING (1885-1968) / ZHANG QIN (1861-1949), Aquatics / Calligraphy | Christie's Aquatics / Calligraphy https://www.agri.sjtu.edu.cn/En/Data/View/7327 President Ding Kuiling, an academician of the Chinese Academy of Sciences, Shanghai Jiao Tong... https://www.agri.sjtu.edu.cn/En/Data/View/7326 President Ding Kuiling, an academician of the Chinese Academy of Sciences, Shanghai Jiao Tong...