Watch List notes:

Constantine I. As Caesar, AD 306-309. Æ Follis (26mm, 6.74 g, 5h). Rome mint, 4th officina. Struck circa summer AD 307. Laureate head right / Roma seated left, holding globe and scepter; all within hexastyle temple with knobs as acroteria and plain pediment; RQ. RIC VI 164. EF, some silvering, toned.