Watch List notes:

Constantine I. AD 307/310-337. Æ Follis (20mm, 3.36 g, 12h). Thessalonica mint, 5th officina. Struck AD 320. Helmeted and cuirassed bust right / Vexillum inscribed VOT/ XX in two lines; captive seated at base on either side; S|F//• TS • Є •. RIC VII 75. Brown and green patina, traces of silvering. EF.

From the Jack A. Frazer Collection. Ex Berk BBS 90 (17 April 1996), lot 467.