What kind of doubling is this?

I'm posting 10 pics like I do. I don't know what is causing this doubling. I dont think it DDD so possibly mechanical or a dd?? There are 2 of the same year and mint so I listed together. They are similar-ish.
thanks for any input

 

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I hit create on accident. I will list them here instead

 

#2 same year same roll etc..

 

strike doubling

 

Md.

 

MD

 

You really don't need to post that many pics.

 

I know. I'm color blind though and don't see a lot of what you may see so I'm always afraid ill miss something. Ill take it down a notch though.

 

I knew it was flat and shelf like but there are a few letters where it did not look so flat so thought I would ask. thanks guys.

 

The front of these small date 1982's have all of the crazy scratches as the zinc small date ddr so I will admit I got pretty excited before even flipping the coin over. Thanks for the help