No, Knife marks, common practice in the old day's, if you were good at it you could tell the difference between copper, bronze, silver, gold, etc.. kinda like biting into a gold coin.
These are examples of chop marks that identified the numerous oriental businessmen who had this coin. Chris
Oh OK odd think is there kinda raised? What's the value I just got this in a trade last night. And plan on getting rid of it. I have a nice one already