I received this picture anonymously - don't have any more details, but if true this will be a very interesting development from Samsung. Note also the lens: 16-55mm f/2.8:
Here is a picture of Samsung GX20 with a battery grip that could have been used as a base to create the above image in Photoshop:
Three years ago Samsung had a 10 megapixel DSLR prototype that was also called GX2 (source):
