Is that a Real Luxury item or Knock-off?

Luxury designers are being plagued with counterfeit doubles. Seems that knock-offs cost the U.S. economy between $200 billion and $250 billion each year. The hot spots for counterfeit items seem to be found on Craigslist or eBay. Which eBay was recently order to pay The LVMH Group for allowing fake items to be sold on their auction website.