That plugged part in the B is an error, it's called a "chip." They're common, but still, that's a nice find. I don't know exactly what's going on with that G in the other pic.
@JeniPitassi No need for more than 1 thread for the same coin. I told you what it is on the other thread Die Chip https://www.cointalk.com/threads/whats-going-on-with-this-wheat.306256/