Without knowing what sort of influence it has — it’s difficult to construct a general method, though, please check my idea and see if this achieves the purpose.

Without knowing what sort of influence it has — it’s difficult to construct a general method, though, please check my idea and see if this achieves the purpose. First you find a gambler, any gambler and ask them to show you the lowest denomination coin they have, and get them to verify for you that it is a fair coin. Now demonstrate your weird coin to them, and when they are amazed by its properties, swap it with them for the fair coin. Done.