Ptolemy II Philadelphos  (285-246 BC) AR Tetradrachm, Gaza Mint, 
Regnal Year 31 (255/-254 BC). 13.7 gr.

Obverse: Diademed head of Ptolemy I right, with aegis. 
Reverse: PTOLEMAIOY SWTHROS, Eagle with folded wings standing 
left on thunderbolts. Regnal year LA in upper right field. 
GA over ZA monograms in left field, FA monogram in lower right field. 

Svoronos 828.
 
Contributed by Dave Rush, Oct. 2012.