How much is Xiang Jinli's calligraphy Longevity worth?

Xiang Jinli Calligraphy 16000 square feet ... When I was watching his performance, the host showed the audience his certificate ... Vice President of China Confucian Merchants Calligraphy and Painting Association ... What can be found in Baidu ... and it proved to be true ... I took a photo of him ... Of course, it was not taken at the normal price per square foot ... Anyway, his work has a style ...