This gpu is
It's a scam don't get your hopes us I was the same.
Is that a buy now or bid price?
Found the listing, the ebay seller has good ratings but the latest ones were over a year ago. They've just put up a lot of the top tier graphics cards at similar prices so I'm guessing that it's a hacked account. Either way it's way too good to be true :\
That's a proper one
Probably, though personally I'd go with a more trustworthy seller like Amazon or a local store for anything that costs so much just in case things take a wrong turn for whatever reason.