Severus II, AE follis, Antioch Mint. AD 307.

IMP C FL VAL SEVERVS PF AVG, laureate head right.
GENIO POPV-LI ROMANI, Genius standing left, modius on
head, naked but for chlamys over left shoulder (falls low), 
 holding patera and cornucopiae.

Z in right field.
Mintmark ANT dot over dot

Northern Sinai Hoard, 3987; Homs, Syria Hoard, table p171; . Not in RIC.

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