Watch List notes:

Constantine II. As Caesar, AD 316-337. Æ Follis (19mm, 2.86 g, 12h). Lugdunum (Lyon) mint. Struck AD 321. Laureate, draped, and cuirassed bust right / Globe set on altar inscribed VO/TIS/ XX in three lines; three stars above; C|R//PLG. RIC VII 148; Lyon 105. Green-brown patina, minor deposits. Good VF.