Help promote the current trend of chasing silver, chasing platinum, and next, ancient copper coins with square holes and round bodies, symbolizing "Heaven is round, Earth is square." They carry calligraphy, measurements, and connect the yin and yang, making the flow visible for thousands of years of merchant exchanges and cultural融合. Collecting them is not only preserving a tragic history and top-tier minting art but also safeguarding a nation's everlasting memory. Their cultural and market value endures over time. The coins issued by Silent Brother can bring in a daily profit of 100,000, and luck is not too bad🤣.