This is a prime minister headwear, which is an ancient chancellor black hat.
It has a golden crown and red gems on it.
The hat is made of black leather and has a gold-colored rim.
It is a traditional Chinese cultural item that represents the power and authority of the emperor or prime minister in ancient China.
The hat was worn by the emperors and prime ministers during their reign and was considered a symbol of their position and status.
It is also a popular tourist attraction in Beijing, as it showcases the rich history and culture of China.