These are professional group of eBay scammers formerly known as "The Auto Scouts", I have been fighting/exposing them for several months now.
Their "newest scheme" is to write "Pre-Certified PSA/DNA" in the title. Here is a thread I wrote about this:
http://live.autographmagazine.com/fo...ource=activity
My original "The Auto Scouts" theme caused mass panic among them, they no longer use that name/COA and even changed their website crying wolf.
http://live.autographmagazine.com/fo...mment%3A441327