Of those, Atitaya Fang General is the toughest to take down with a huge 3 lore
Be more conservative with your pre-grades on chase cards and looser with the lower-end stuff
Edit: just to clarify, slight curving shouldnt affect the grade, but with a curve like in your photo, I imagine its hard for PSA to even put it in the case correctly
4 Ditto (Bulbasaur): Delta Species (Uncommon) $20.50 Technically, It's A Bulbasaur Ditto isn't one of the most valuable cards in Delta Species, but it's certainly one of the most bizarre, as this Ditto is technically a Bulbasaur card at least visually
The crazy limited print run of the 1998 Illustrator cards makes it hard to check comps to see if that $4 million mark is up or down from the last sale
As the value of these cards continues to increase, and the market gets more and more competitive, incidents like this become more likely