Paradox Rift SIR & tera Full Art Quality Control Issues

I’ve seen these posted in my local group where people have complained about the QC for these specific rarities in Paradox Rift.

Bottom Tulip for comparison.



Vespiquen from Obsidian Flames as comparison.

There appears to be a darkening of the card over time or what some described as an ‘oily texture’ appearing and clouding over the card.

Any idea if this is a global issue or if it’s localised (South East Asia)? And what could be happening in the printing process that would allow for such things to happen? Is it a problem with the holofoil print stock?