Representing both Heaven (the circle) and earth (the square), Coins are considered lucky and believed to bring prosperity to those who own them. The circle is a symbol of Heaven while the square represents the Earth. Ancient Chinese Coins are with a square hole in the middle. It symbolizes good luck that is represented by objects and visuals, which have a strong purpose and significance meaning. The most common use of Chinese Coins in Feng Shui is to attract the energy of wealth and money. The use of a Lucky Coin in Feng Shui is for protection and cure.