Watch List notes:

Constantine I 'the Great' BI Nummus. Treveri, AD 310-313. CONSTANTINVS P F AVG, laureate and cuirassed bust to right / MARTI CONSERVATORI, Mars standing to right, holding spear and resting hand on shield; T-F across fields, PTR in exergue. RIC VI 862. 4.78g, 23mm, 6h.

Good Extremely Fine.

From the Terner Collection.