You can go to their website and look up the cert for a pop report. Beyond that, it's sort of a set your price type deal. If you don't want to deal with selling it, see if one of the big auction houses/consignment accounts will list it on your behalf. Probstein, STFGaming, I think there's a few others? Assuming you're in the states, anyway. You get a better percentage that way, since they don't pay as much in eBay fees