Is my General Grievous figure real? (Sw0515)

Hi I was wondering if someone can help me see if this grievous is authentic or not. Off the bat it looked real with normal paint wear, but I can’t find the LEGO logo under the feet or under the neck. The head looks completely real, and moves smoothly on the neck joint. It also feels real plastic wise usually the fake minifigures I find have cheap shiny plastic. I purchased it in an eBay lot and all of the other figures were real One other thing was that both sides of the arms had white...