Traditional Culture Encyclopedia - Hotel reservation - What is a jade like copper coin?

What is a jade like copper coin?

It is a white jade shaped like a copper coin.

It is a traditional jade in China. The appearance is sleek and flexible, which conforms to the "golden mean" in China traditional culture. In ancient times, it was called "Bi". In modern times, it is often given to each other by lovers, which means peace, and is called the Ping An buckle.