Quote Originally Posted by Mike Blue View Post
You won't want perfectly square corners. I've seen a lot of anvils with slightly different radii on each side to accommodate the smith's choice for inside corners. Tools are meant to be modified. You might be able to clean some of that up with an angle grinder and a square and careful work. It's certainly not dead yet.

That Peter Wright is well worth 300 bucks.
+1. That's a pretty anvil and in great shape. If you are having an issue with a jagged spot, sand it down a bit and make it safer. You can use many other found and made objects as a Mandrel if you need a clean/sharp edge.