Ptolemy II AE 48mm Drachm. Struck 266-265 BC. 

Diademed head of Zeus-Ammon right 
BASILEWS PTOLEMAIOU, eagle standing left on thunderbolt, 
head turned to the right; E between legs. 

Svoronos 450; SNG Cop 142.

Original text destroyed in the website attack, 2009.
so seller or owner unknown