See, there’s the exact problem.
Price policing is a dick thing to do. Yes, I think most on here would agree that the initial ask of $10,800 is too high, but if that’s the case, then it sits unsold and Seller can reduce as required. I’ve sold enough pins on here to tell you firsthand that NOBODY offers you way more than your game is worth nowadays, especially if they’re new to the hobby.
If you’re concerned and want to offer advice in the future, why not email Seller directly instead of blowing up a sale thread?