Цитата: "CassTaylor"To be honest, it looks like a random piece of metal someone decided to flog on Ebay.
If the seller wants to claim it's a siege coin, ask him for a catalogue reference, or even details on where/when approximately it's from.
I did not want to ask...but (god works in mysterious ways) I found a picture of this coin while searching for information of the artois 10 sols siege coin.

It could be a coin from the English civil war/the great rebellion.
I also found this picture: