According to 9to5Mac (you can go there and see more images and a “report”), this is the back side of the next iPhone.
My problem with it is that it’s a two tone iPhone, meaning it has two colors. This is from the same company that could not release an iPhone after almost a year for problems with a white color paint for the glass. The same company from where a Google executive received a call from Steve Jobs one sunday, because the yellow gradient on the font of a Google app wasn’t yellow enough. I may be wrong (wouldn’t be the first nor the last time), but it just doesn’t feel like Apple to do something like this. Time will tell.