I see a bunch of split plating issues above STATES, etc if that is what you are referring to. Search for "split plating" and you'll see many examples.
I see it on America on reverse excluding the c and a, a small amount ,also looks like a die break inside of the O of One Cent. It is hard to tell though from the photos.
What you're seeing isn't true doubling. It appears to be md and ddd. Doubling won't effect just some letters in a word.
Yes you are correct that is not true doubling and it is hub doubling. You wanted some input , that's what I got.
In this example, the MD is attributed to a wobble in the equipment/die during production (during the stroke). If this were hub doubling, the error would be in the die and be indifferent to a wobble (although a DDO/DDR could be subject to MD). Here's an example of DDO with MD: