You would have to be a total moron to not realize there were mistakes and obvious problems with the original auction. Nobody in their right mind would think they could get so many $200 silver strikes for such a small amount of money. And how could someone from Australia get so many of such a newly issued coin, even if he did pay stooges to work the machines full time?

The seller has good feedback, and I wouldn't be surprised if he offered to immediately refund your money, when learning of the error.

It's your own usual greed that got you into this mess in the first place, and you have nobody but yourself to blame for your delusion, and the inevitable outcome.

Stick to trying to cheat widows and orphans with your off-Ebay lowball side offers. You have a better success rate with that technique anyhow.