I bought a painting of Aisin Gioro Qixian’s calligraphy in the mall. How much is it worth?

Aixinjueluo Qixian

Aixinjueluo Qixian, born in Beijing in 1940 (brother of Mr. Qigong), is a famous calligrapher of the Aixinjueluo family in China Home. He is currently a director of the Chinese Painting and Calligraphy Research Association and vice president of the Chinese Qing Dynasty Art Research Association. In 2000, he was included in the "Who's Who in the World". Mr. Qixian has been influenced by the royal culture since childhood and has read famous works and calligraphy of all dynasties. He was deeply influenced by Mr. Qigong in calligraphy and studied calligraphy under his guidance for decades and achieved certain results. His works have been exhibited many times in the United States, Japan, Taiwan, Hong Kong, and other places since 1989, and have been collected by the Japanese royal family, the Chief Executive of Hong Kong, Samsung Corporation of South Korea, and domestic celebrities and famous enterprises.