Constantine I. AD 307/310-337. Æ Follis (21mm, 3.46 g). London mint. Struck circa AD 321-323. Helmeted and draped bust left / BEAT TRANQLITAS, altar inscribed VOT/IS/ XX; PLON. RIC VI 264; C&T 9.05.011. S. 3841. Green patina. VF.
From the Ken Bressett Collection. Ex Berk 1996 @ $19.