@Paddy54 Good eyes ! DDO date wise. I think the 3 has a die crack above the 3 making it look like a 5
Here's the best reference for that nickel I have the same nickel too. Some people on here don't know what they're talking about.
But I am in no way no professional only way you're going to find out is to send it in to the professionals if you have a good educated guess on it. Otherwise you're going to get optimistic opinions even when the pictures is clear as day F.Y.I.