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Constantius I, Chlorus, as Caesar, 293-305 AD.  AE Follis, Heraclea. 

FL VAL CONSTANTIVS NOB CAES, laureate head right (large head type).
GENIO POPVL-I ROMANI, Genius standing left with modius on 
head and chlamys over shoulder, holding patera and cornucopiae.

Mintmark HTS.

RIC VI Heraclea 20a; Sear 14061.
Common.