Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (18.5mm, 2.61 g, 6h). Thessalonica mint, 1st officina. Struck AD 326-328. Laureate head right / Camp gate with two turrets, no doors; star above; –|•//SMTSA. RIC VII 153. Brown surfaces, light roughness. Near EF.