Look in the catalogue at the coin page, there are 169 past sales linked.
Without posting images, dimensions and weight - no one in the forum can really help you. But you can easily help yourself by looking the coin up in the catalogue - not least to confirm that that is the coin you have. You might have play money for all we know….
„If your reply or post in the Forum stinks of AI, I will call you out! Knowledge comes from experience, the I in AI stands for incompetence.“
Your pictures are a little too fuzzy to tell much of anything but I don't think it's real. Can you provide better pictures along with the weight and diameter and a picture of the edge?