Human facial profile worked onto translucent stone material
Please note the attention give to the 'chin' which is a distinguishing phenotypic feature of anatomically modern humans.
Two views of the same piece of glass art found with the iconic portable rock art. Possible bird facing right in photo 1, possible creature's head looking right in photo 2.
A worked boulder 'face-mask' with missing left eye and distortion to the left side of the face in a possible example of this motif in Australia in addition to ones found in North America, Europe and South East Asia.
Animal facing right
Wombat
Two sides of the same stone have worked human (robust type?) head and facial profiles, seen here facing each other. I call pieces like this 'literal bi-faces.'
Rebecca and John typically find this kind portable rock art material in the course of their excavation work at depths between 1 and 2 meters.