Can you explain the key differences between a real Stanley Cup and a replica, and how can one distinguish between the two"?

The key differences between a real Stanley Cup and a replica are the materials used and the authenticity of the engravings. A real Stanley Cup is made of silver and nickel alloy, while a replica is usually made of cheaper materials like plastic or aluminum. One can distinguish between the two by looking at the weight, craftsmanship, and the presence of official engravings and markings.