Attica, Athens, AR silver "New Style" tetradrachm, 126-125 BC, Head of Athena, owl standing on amphora

Attica, Athens
Date: 126-125 BC, under magistrates Epigene, Sosandros, andEumenes.
Denomination:
 AR silver "New Style" Tetradrachm
Dimensions:
 29mm(approx. 1.1"), 16.6gr.
Obverse: Head of Athena Parthenos right, wearing triple-crested Attic helmet adorned with Pegasus and foreparts of horses. 
Reverse:  Α-ΘΕ ΕΥ/ΜΗ / ΕΠΙ/ΓΕΝΗ / ΣΩΣΑΝ/ΔΡΟΣ (magistrates), owl standing facing on overturned amphora; eagle on thunderbolt in left field, all within olive wreath.
Reference: HGC 4, 1602

FT-0830
Sear R. Certificate: 458CO/GC/E/CV