Constantine I, AE follis of Constantinople. AD 327-328.

CONSTANTI-NVS MAX AVG, rosette-diademed head right.
GLORIA RO-MANORVM, Roma seated left on shield, holding 
Victory on globe and sceptre.
Delta in left field.
Mintmark CONS.

RIC VII Constantinople 23.
Rated R2.

With permission of Numismatik Lanz, auction 102, 2001.