What about this painting and calligraphy? Is it collectible?

This is definitely worth collecting.

Liu Jianguang: 1955 was born in Renqiu City, Hebei Province. Good at figures, flowers and birds, animals, etc. Graduated from Xinjiang Aksu Academy of Fine Arts. I have been fond of calligraphy and painting since I was a child. I have studied under Tao Dezhen and celebrities from all walks of life. At present, he is a painter of China Ministerial Painting and Calligraphy Institute and a member of China International Painting and Calligraphy Institute.