Ptolemy VI Philometer, AE16, Paphos mint, 180-145 BC.

Bearded head of Herakles right
PTOLEMAIOY BASILEWS, Eagle standing left, on thunderbolt, 

Svoronos 1496; Athens 531 (this coin).

Image courtesy of the Athens collection.

Note: Many sellers offer similar coins showing the head of Zeus on the obverse, describing them as Svoronos 1496 in error. 
The head of Herakles is much smaller and less bulky that that of 
Zeus.