What coins are used for seven-star money?

Seven-star money is Feng Shui money. Place them according to the Feng Shui master's recommendations. In ancient tombs, there were seven stars underneath the coffin, and the seven-star yangzhai broke the formation. Only masters who were proficient in astronomy, geography, yin-yang, and had supernatural powers knew how to arrange the seven-star array to break the situation. In my country's funeral customs, the Seven-Star Bow | Road Copper Coin is the copper coin of the seven emperors of the Qing Dynasty, namely: Shunzhi, Kangxi, Yongzheng - Qianlong, Jiaqing - Tongzhi and Guangxu. Only the copper coins of these seven emperors and placed strictly in this order can be effective, they are just decorations. Nowadays, more and more people are not familiar with and understand what the Seven Stars Guiding Money is. In funeral customs, seven stars occupy a very high position. "Seven Stars Leading the Way" refers to using copper coins to make the shape of the Big Dipper, which means The soul of the deceased returns to the Beidou and goes to heaven smoothly, so there are sayings in many areas that "the seven stars lead the way, blessing the descendants" and "the seven stars lead the way, the soul returns to the Beidou".