u/Jaybycakes21

I bought these from Buddha3bodhi and they arrived a couple of days ago. I was looking at the bottoms and are they okay? The one on the right looks normal but the one on the left looks sunken in? is this normal or defective?

I’m a complete newbie and just wanted someone with a little more knowledge’s opinion before I start brushing and prepping them for hand rolling. All feedback/tips are greatly appreciated :)

Thanks!