FENG SHUI I CHING COINS ( 3 ) ANCIENT CHINESE COINS. Ancient Chinese coins have been used for centuries as amulets to ward of evil and disease, they were often worn by children. In Feng Shui coins represent the element metal and symbolise wealth. Three coins strung together with red ribbon and place in the wealth sector, or place on accounts book or in a cash register, or in a purse or wallet. Three coins are used for reading the I CHING, by naming one side YIN and the other side YANG and reading from the trigraph for ancient advise on how to improve and harmonise ones life.