Constantine II AE follis. AD 329-330.

CONSTANTINVS IVN NOB C, laureate, draped and cuirassed bust left.
PROVIDEN-TIAE CAESS, campgate, three turrets, eight layers, 
star above, no doors.
Wreath in left field, II in right field.

Mintmark SMAL.

RIC VII Alexandria 51.
Rated R4.

With permission of cngcoins.com, Feb 2014.