When I first saw this piece, I thought I had found another Gregos mask, but I was wrong. It is a piece by Urban Solid, a street art duo from Italy. To see more of their work, take a read of this great blog by London Calling.
Unfortunately, I looks like the piece has been damaged, there is meant to be something in the mouth of the face, but it has been snapped off. I am a fan of this kind of 3D installation art that challenges the viewer with humour and sometimes political rhetoric. All part of the broad spectrum.