Liu Yan (1857 ~ 1909), formerly known as Meng Peng, the character Tieyun, bei shu Hongdu Bai Liansheng, Zhai Tang for the disabled to guard the lack of Fasting, Dantu (Zhenjiang, Jiangsu) people. Novelist of the late Qing Dynasty. He is familiar with mathematics, medicine, water conservancy and other studies. He likes to collect calligraphy and painting inscriptions, gold stone oracle bones. There are "Iron Cloud Hidden Turtle", "Iron Cloud Hidden Seal" and so on. His book "The Journey of the Old Remnant" has been praised by the world.

Liu Yan Festival Linshi Drum Text
Tieyun calligraphy inscription Ming Dynasty Anon. (Qian Xuan) Ming Emperor Yi chess picture scroll, collection of the Freer Museum of Art, USA.
Liu Hu Calligraphy "Zhi Qin Bo Shuzha"
Explanation: Your Excellency, Brother Qin Boren: Twice lost your welcome, very sorry. The brother planned to temporarily return to Shanghai on the fifteenth day, and the details of the situation were known to Brother Xiang, and Gai met for several days. At this time, Gong Di took another twelve days of leave, and the leave was full and may not be renewed, and the illness was very serious. The Military Affairs Office has already piled up a mountain of official documents, and it is not possible to clear them in one or half days, so my brother took the time to go to the line, but he returned to his ears after the rest of the month, and he will not resign. Please Wen An
Your Excellency, please be at peace. Foolish brother Liu Hu dunshou