That was me. I bought a large box of them on eBay and had to return them. The general consensus was that they were exposed to extreme heat.Someone here had the same issue once, can’t remember what the outcome was. I’d return them if I was you.
Try using the search feature, maybe you can find the thread
I had a few KEM decks that looked exactly like this that were left in the trunk of my car during summer, it does look like it has got damaged pretty bad from the heatThat was me. I bought a large box of them on eBay and had to return them. The general consensus was that they were exposed to extreme heat.