Constantine I, 307/310-337. Follis (Bronze, 19 mm, 3.49 g, 12 h), Treveri, 313-315. IMP CONSTANTINVS AVG Laureate and cuirassed bust of Constantine I to right. Rev. MARTI CONSERVATORI / T - F / PTR Mars standing front, head to left, holding spear in his right hand and placing his left on shield set on ground. RIC 54 var. (bust also draped). Very rare. A clear and attractive example with a very sharp reverse. Good extremely fine.