What's the price of Dading Bao Tong?

Dading Bao Tong Jin Shizong Yan Hongyong Dading 18 to 29 years old coins,178-1189, beautifully cast. Regular script contains fine gold, including Xiaoping, folded in half, and two wide edges folded in half.

Bao Tong Xiaoping, the market value of American goods is around 70-80 yuan.

There is a "Shen" on the back of Dading, and the market value of American goods is 80- 100 yuan.

Big Ding Bao Tong White Copper Small Flat Money. Market value of American goods 150 yuan.