This is not a genuine antique, but a reproduction made to look old.Product Name: Five Celebrities Silver Coin Set - Longyang Collection  Shipping included for 5 coins upon purchase 
Material: Copper plated with silver (without silver) 
Size: Approximately 39-40 millimeters  Weight: Around 26 grams 

This is an old item that has been aged through craftsmanship, but it is not a genuine antique. 

With the tips of the index finger and thumb pinching the middle part of the silver coin, take a deep breath and blow forcefully. Then place it close to your ear to listen, and you will hear a clear sound. When two silver coins collide at the edge, they will also produce a clear sound.