Watch List notes:

Constantine II, as Caesar, BI Nummus. London, AD 321-323. CONSTANTINVS IVN N C, helmeted and cuirassed bust to left / BEAT TRANQLITAS, altar inscribed VOTIS XX, surmounted by globe; three stars above, PLON in exergue. RIC VII 287; C&T 9.05.039. 2.89g, 19mm, 6h.

Very Fine.

From a private UK collection.