Here's a scarcer type for Cs II:
Constantius II Ae3 18mm
AV: DN CONSTAN – TIVS PF AVG, pearl draped cuirassed bust r.
REV: VICTORIA AVGVSTORVM; Victory advancing left, holding a wreath in each hand.
EXE: SIRM, Sirmium mint.
REF: RIC VIII Sirmium 25, rated R, 351-355AD.