@BR72, it is a little hard to tell from the pics, but it looks to me like these areas are not struck up well, perhaps due to some grease in the die.
Added: Here is what I see when I enlarge and enhance your image.

"If you climb a good tree, you get a push."
-----Ghanaian proverb
"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz
Edited by Spence
12/28/2018 10:25 am