Very nice preserved gold Byzantine solidus.
Byzantine Empire
Phocas (602–610), Solidus 603–607, Constantinople mint
Obverse: the bust of the emperor straight ahead
dN FOCAS PERP AVC
Reverse: Angel standing facing, holding staff surmounted by staurogram and globus cruciger, CONOB in exergue
VICTORIA AVGG I
Gold, diameter 22 mm, weight 4.43 g