I’m not going to try and even guess. Could be seeing things. Lol..find it interesting. Could be plating? Sorry if wrong terminology. And sure, maybe seeing things lol! Thanks!
Here is an URL about how the mint electroplates the zinc core with copper. It is a very sensitive balance of chemistry and electrical activity, and an imbalance can leave a thicker band areas and also thinner band areas. Since it is dealing with atomic size, the areas can be very small in width. I think that the monitoring chemists didn't do it correctly and some are wider ( also in our eye very tiny) than others like your example, and then the planchets will be form into an irregular plated cent by the force of the press. My best thought. Jim https://www.comsol.com/blogs/electroplating-u-s-mint-makes-penny/
That explains of the image of steps in the lighting. Looks like as it did not come together if I’m understanding correctly. Thank you!