It doesn't need to be painted but the grey has to be well mould not with swirls marks. And just making it white would have gotten them buyers.
I hope that people are reporting these counterfeits to eBay staff.
You have the power to report it (if you have an eBay account).
Knowingly selling and purchasing counterfeit goods is against eBay's Terms of Service and against the law!
http://pages.ebay.com/help/policies/...unterfeit.html
#thepowerisyours