If one wants to launder money, creating an eyebrow raising sale gathering press headlines and bafflement from insiders is not a great way.

You want to be under the radar for money laundering. Not impossible, but another explanation seems more likely. (I don’t mean an innocent explanation necessarily)

They may have underestimated the community surrounding gaming. "It's something my kid plays, who pays attention to this stuff?"

Ya, I think more likely a publicity stunt for an auction and grading company.