Watch List notes:

Constantine I Ӕ Nummus. Ticinum, AD 312-313. IMP CONSTANTINVS P F AVG, laureate and cuirassed bust right / MARTI CONSERVATORI, Mars standing facing in military dress, leaning on reversed spear and holding shield, TT in exergue. RIC 124a. 2.78g, 20mm, 12h.

Good Very Fine; 'desert' patina.