Constantine I BI Nummus. London, AD 312-313. CONSTANTINVS P AVG, laureate and cuirassed bust right / MARTI CONSERVATORI, Mars helmeted in military dress standing right, holding reversed spear and resting hand on shield; star in left field, PLN in exergue. RIC 258; CT 7.10.010; Huvelin, Deux 169-169a. 4.35g, 22mm, 7h.

Good Very Fine.

From the inventory of a UK dealer;
Ex Bourton on the Water Hoard, 1970.