Postumus, AR denarius struck from aureus dies. Cologne.
2.59 g. AD 260-269.

POSTVMVS PIVS FELIX AVG, jugate busts left of Postumus and Hercules.
HERCVLI ARGIVO, Hercules standing left, wielding club and 
grasping one head of the hydra which is coiled around his leg.

RIC 342; Cohen 111; Elmer 476; RIC 342; Schulte 127.
Extremely rare.
Estimate 6,000 euros.

With permission of Fritz Rudolf Künker GmbH, Auction 257, Lot 9076, Oct. 2014.