That shows "out of stock" but yeah, a similar card is what you are looking for.
Ask for original box pack if available and match the model no. Also ask for recordings and results of Unigine and Furmark stress tests. A good stress test result can validate the condition of the card. But these things are a bit tedious to garner from sellers.
Where can I find the numbers on what a good stress test number would be for this card
Not that simple. You need to research a bit. Check out some articles about how it is done, and you will get the point.
Alright ill make sure to do that. Is this gpu a good one though or should I look for a slightly better deal