I traded a lot of things for his Palkia (Shiny) CoL, Celebi*, Cleffa, and RH Juniper. I asked if they were mint, and they arrived and aren't. He shipped 2 cards in one sleeve BTW. :/
I then told him I wanted to send back, and he's like "No, you're cards weren't mint either". Mine were and he didn't even ask in the first place.