Let me know please if any are DD, I know it is hard to tell by these pictures only. I just didn't have time to capture the photos, but I soon as I can I will post them. Thank You!
The first three remind me of the " Red Ring Of Death " that the Xbox came with . Thoses 3 are from a worn die ...
All your pictures show what is called Die Deterioration Doubling - Nothing major. You will see this happen much so with a lot of the plated current Cents such as all the sample pics you posted. I want to share this webpage with you - http://www.error-ref.com/die-deterioration-doubling-raised/