This is NICE! I like the ear (it just might have 2xearlobe too? ...well below the original) and the 3! Check the E in liberty as well.
There are dozens of this type of doubling on the steel Cents. Lots of varieties exist. I suggest you do a little research as this is very common.
That's not what he's saying. They haven't been replated. Look at the full obverse and reverse they are dark because the zink has worn and become dull. The color changes with lighting and close up pics.
Those photos are not the best quality and sharpness to verify anything. The '3' in the photo is strange, but I think it has more to do with lighting and focus than the possibility that it's a n