The battle between raw and slabs

[decoypalmette]

Will movement in PSA cards cause damage? (Rattlers)

Came across this interesting experiment on youtube. The youtuber tested card movement in different scenarios to determine if there is any surface damage/holo scratches after shaking/intense movements. Interesting. [Tested: STOP Sleeving Pokemon Cards Like This!]

There was some speculation about scratches caused by movement. It’s a bit hard to believe imho for a normal slab usage.

_
Uv and humidity damages are much more proven in extreme conditions:

UV light testing: 8 month CONCLUSION (Group one)

“Nothing is more important to us on Earth than the Sun. Without the Sun’s heat and light, the Earth would be a lifeless ball of ice-coated rock. The Sun warms our seas, stirs our atmosphere, generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.” A direct rip from “A meeting with the universe” Hey guys it’s silversnorlax and today we’ll be looking at the set up and monitoring of the most requested test by the community:…

Cards found "wavy" inside PSA case?

Hi E4, Long time collector, and admittedly now a tad down after I found out something this morning. Any assistance would be helpful! I store most of my set PSA cards (read most non-holos, and a few holos) in a First Alert safe, model 2087DF. Ventilated like the instructions mention, every week. Getting to the point, to my horror this morning I find around 70-75% of the non-holo cards have now “waved” inside the PSA case, on some of the bad ones almost appearing bent. It is much more noticeabl…