Light Ink Base Set Holo?

I was looking through some bulk and came across two Near Mint base set unlimited holos, but they both appear to be very light, almost like they were bleached a little. I found this odd because they seem otherwise very good condition and I was told they were in storage for years.They do not seem to be fake when compared to other cards, so I am hoping to get some feedback from you guys. I have both cards compared to their normal counterparts below. Nidoking is crazy light…

I did not provide a backside pic, but that looks totally normal and glare on the cards seem the same as all other unlimited cards I have.

Does this happen? Is there a premium for them since NM or better? Will PSA grade them?

Thanks!