Constantius II, Caesar (AD 324-337).
Follis
(AE, 16 mm, 2.50 g)
AD 329-330, Rome.

FL IVL CONSTANTIVS NOB C Bust of Constantius II right, laureate, draped and cuirassed. / GLORIA EXERCITVS Two soldiers standing facing each other, each holding inverted spear in the outer hand and placing the inner on shield set on ground; between them, two signa; in exergue RBT.
RIC 337.
Dark patina. Some remains of silvering on reverse. Minor green deposits. Almost extremely fine.