Why do you use Gan Long Bao Tong in divination?

In ancient divination, why did you use dry dragon coins? Because among the emperors in China, only Ganlong is the first of the sixty-four hexagrams. Because of the sixty-four hexagrams, the first one is dry hexagrams, which means first, it is the father and the monarch. This dragon is dominant, and there is a dragon character behind it, which stands for prosperity. Of course, gentlemen later used Bao Tong as an important choice for divination. Copper coins or grass were also used before the Qing Dynasty. In fact, divination is not directly related to the money of that generation. Later, gentlemen used to use Gan Long Bao Tong, which meant that Gan Long Bao Tong was more accurate. The key is the level of your husband. I don't know if you are satisfied/