Where can Xi 'an collect Jia Pingwa's calligraphy works?

Celebrity calligraphy is not always taken away. It is said that the latest transaction price of Mo Yan's calligraphy works at the recent domestic auction was 5,000 yuan. But two years ago, the auction price of one of his calligraphy works was close to 1 million yuan ... On the contrary, good calligraphy works are rarely heard of such great fluctuations ... so it is too risky to collect or speculate on celebrity works. ...