Watch List notes:

Maxentius (306-312), Follis, Ostia, AD 309-312; AE (g 5,82; mm 26; h 6); IMP C MAXENTIVS P F AVG, laureate head r., Rv. AET - ERNITAS A - VG N, Castor and Pollux each with star above cap, naked but with chlamys hanging from shoulders, standing facing each other, holding sceptre and bridled horse; in ex. MOSTT. RIC 35.
Green patina, good very fine.