OEM 6800k from ebay not new?

PotatoDay14

Honorable
Nov 6, 2015
17
0
10,510
Hello 1 week ago i bought a 6800K on Ebay, marked as OEM and new.
So today i got it but it was clearly used and it has thermal paste marks.
Is this fromfactory testing or somthing or did the seller lie to me?
Here some photo's

http://imgur.com/a/pStNc

Thanks for the help