RIC only lists pearl-diademed for Constantius II, this coin should come after Alexandria 66
Constantius II
A.D. 348- 350
20mm 4.6gm
DN CONSTAN-TIVS PF AVG; laurel- rosette diadem, draped, cuirassed, globe in hand.
FEL TEMP REPARATIO; Soldier leading a small figure from a hut beneath a tree; ✶ in left field.
In ex. ALEA
RIC VIII Alexandria –