Is this a Lamination error?

I was looking at a 1964 dime I had found in some rolls today, when I spotted this on the back. I thought it was PMD, then I notice how random the movements in the lines were. I decided to change the angle a it, and I saw it continued to the side! Thoughts?

 

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No thats called an lamination error. attached lamination as the flap is still attached.

 

I don't know what it is but it's not a cud.

https://www.thesprucecrafts.com/cud-error-on-coins-768438

 

Ah, so thats not it. Lamination error maybe?

 

Maybe. The coin could have taken a hit and chipped or shifted the metal.

 

Yep, thats it! Thanks for the help!

http://www.error-ref.com/lamination-cracks/

 

Looks like maybe a small lam.
Cuds are die breaks that start from the edge of the coin and go inward into the design like this:

 

Maybe. Any ways you can think to figure this out?

 

Oh yeah, I see now. I will change the title.

 

Here are a few lams for reference as well:

 

Looking at mine, I would say from the slightly lifted nature of the area, mine is likely a lam error. Thanks for the help properly ID this coin!