eBay preferred 3rd party authenticator "GA" (Global Authentics, Steve Sipe) is a JOKE.  It is no coincidence that 90% of LeBron, Puig, Manning, Luck "signed" jerseys are authenicated by GA.

Just crap forgeries, there is ZERO CHANCE this was even examined. This is listed by eBay seller ajsports13

http://www.ebay.com/itm/LEBRON-JAMES-MIAMI-HEAT-Autographed-BASKETB...

Not even close, and no surprise that the asking price is a fraction of the cost. Avoid GA "authenticated" items like the plague.

Here is a comparison of this obvious junk to an authentic piece: