Coins are 20mm

Chinese coins, particularly lucky coins, symbolize wealth, prosperity, and good fortune, often used in Feng Shui practices to attract positive energy.
Symbolism and Design
Chinese coins are typically round with a square hole in the center. This design holds significant symbolism:
Round Shape: Represents heaven.
Square Hole: Represents earth.
This duality symbolizes the connection between heaven and earth, attracting positive energy (chi) into one’s life.