If Huang Tingjian's long scroll silk painting "Tang Yue Gong Tu" is authentic, according to the value of his works in recent years, the transaction price of his masterpiece hand scroll is RMB 4.368 million, the transaction price of twelve screens of running script is RMB 3.584 million, the transaction price of calligraphy "Dazhengting" is RMB 5.8 billion and the transaction price of Tang Yue Gong Tu is RMB 4.3 billion. These works show that his original works have high collection value and artistic value.
But the specific price will be affected by many factors, such as market supply and demand, economic situation, bidders' interest and so on. In addition, the way of sales is also very important. If it is through public auction, the price may be higher.
It is suggested to consult a professional art appraisal institution or art collector to obtain a more accurate appraisal. At the same time, please note that any investment is risky and you need to be cautious when selling art.