Joint rule of Ptolemy VI and VIII AE30, 22.93g; 30mm, after 169 BC. Ptolemaic Kingdom. 

Obv: Head of Zeus Ammon right

Rev: BASILEWS PTOLEMAIOU, Two eagles standing left on thunderbolt, 
cornucopiae in left field. 

Sear 7901; Svoronos 1424; SNG Cop 305-307.

With permission of Roma Numismatics, December, 2009