Nice for CRH.
From the pics it looks more like a little acid ate the coin away. Shame about it in that condition, otherwise worn but nice.
Hi Joy, not rare but nice to have. Post pics so we can see if anything special for you.
Welcome to CT. Rick said it all. You're not going to retire but it's worth a bit more than if you spent it.
Cleaned but it was your grandfathers so hang on to that coin. It's meaning to you is worth far more than its value.
Separate names with a comma.