Romano-Egyptian Terracotta Roundel 1st Century BC/AD

Terracotta roundel moulded in relief with the mask of a deity, surrounded by a continuous grape vine. The mask has wild hair and wings atop the head.
1st Century BC/AD Height 15.3cm--6" Intact, some gypsum remaining.
Provenance : Mustaki collection, exported from Egypt under licence in 1947.