Does Liu Bi's calligraphy have a seal?

There is a seal. Liu Gan (1808- 1888) is a native of Jingdong County, Pu 'er, Yunnan Province. Qing Jiaqing was born on March 17th, 13th year, April 2nd, 808 and December 20th, 13th year of Guangxu, and died in Changsha, Hunan Province at the age of eighty. He is a famous historical figure in the late Qing Dynasty. Daoguang eight years (1828, Wu Zixu), 20 years old, with excellent academic performance. In the 12th year of Daoguang (1832, Renchen), he won the second place (Asian Yuan) after the provincial examination. In the twenty-first year of Daoguang (184 1, Xin Chou), he was selected as a scholar. Since then, he has been an official in the sea and is an influential senior official in Hunan in the late Qing Dynasty. He has served as editor, editor, bachelor of teaching and reading in Hanlin Academy, bachelor of cabinet and assistant minister of Libu, Shao Qing of Jiafeng Temple, Shao Qing of Taichang Temple, prefect of Taipu Temple, examiner of Jiangnan, deacon of Wenyuange and governor of Hunan. During his tenure as governor of Hunan, he supervised the revision of Hunan Tongzhi, rebuilt Tianxin Pavilion and the city wall, and overhauled Yuelu Academy.