[off topic] Opteron CPU missing chips on the bottom

I purchased a used g34 opteron off of fleabay (sold as working with no 
mention of this) and I noticed that it is missing some of the bits on 
the bottom and that most of them are crooked, I haven't tried it in my 
system yet and I am wondering should return it? or if there isn't any 
much risk of it damaging my (expensive kgpe-d16) motherboard and I 
should see if it works?
I got it for half the usual price....guess I should have asked for photos.

I noticed many CPU's sold on ebay have this issue (in those cases they 
mentioned it) but I can't understand how it happens, for instance I 
noticed a 6386 for sale where they mentioned that it was missing a few 
and because of that it doesn't work in a dual socket configuration.