Watch List notes:

Constantine II, as Caesar, 316-337. Follis (Bronze, 20 mm, 2.54 g, 5 h), Rome, 320. CONSTANTINVS IVN NOB C Laureate, draped and cuirassed bust of Constantine II to right. Rev. VOT / XV // RT in three lines within laurel wreath. http://www.notinric.lechstepniewski.info/7rom210_s.html (officina S). RIC 210 (officina P). Of the highest rarity, apparently the third known example and the first from officina T. Some deposits and with a scrape on the reverse, otherwise, about very fine.