Constantine I 'The Great', Emperor, 307-337 AD. AE Follis. Rome City Commemorative Issue, c.330-331 AD.
 
Obv: Roma helmeted, draped and cuirassed bust left. Rev: She Wolf standing left, suckling Romulus and Remus, wreath and stars above.
 
Provenance: River Thames Find, c.1990’s, with old find / collectors ticket.
 
A  green patina.