Watch List notes:

Constantine I (306-337), Nummus, Uncertain Mint, c. AD 312-337; AE (g 1,56; mm 16; h 12); CONSTANTI - NVS MAX AVG, diademed, draped and cuirassed bust r., Rv. GLOR - IA EXERC - ITVS, two soldiers standing looking at one another, holding spear and shield; between them, one standard; in ex. [-]. cfr. RIC 252 (Siscia).
Traces of silvering, very fine - good very fine.