Are Deng Xiancheng's calligraphy works collectible?

Deng Xiancheng's calligraphy works are very collectible. Deng Xiancheng, born in Yongchuan, Sichuan, 1928, is a pedestrian in Shu Road. He used to be a director of China Calligraphers Association and vice chairman of Hunan Calligraphers Association. He is currently a member of China Calligraphers Association, honorary chairman of Hunan Calligraphers Association and member of China Poetry Society. His works were selected for the 2nd and 3rd National Calligraphy Exhibition, Henan International Calligraphy Exhibition and Renaissance Silk Road International Painting and Calligraphy Exhibition.