ROMAN EMPIRE, Constantine I, 307-327 AD. Æ Follis (3.28 gm; 20 mm). Treveri (Trier), AD 321. CONSTANTINVS AVG, helmeted and cuirassed bust right / BEATA TRANQVILLITAS, altar inscribed VOT/IS/XX, surmounted by globe with plain vertical lines and diagonals between horizontal lines, three stars above. PTR in exergue. RIC 303. Sharply struck on a full flan. Brown patina. Choice FDC.