Constantine I 'the Great'. 307-337 AD. AE Follis (2.92g, 17mm). Treveri mint. Struck 321 AD. Obv.: CONSTAN-TINVS AVG, helmeted and cuirassed bust right. Rev.: BEATA TRAN-QVILLITAS, globe set on altar inscribed VOT/IS/XX in three lines; three stars above; PTR• in exergue. RIC 341. gVF.