Akragas Sicily. ca 410-406 BC. AV Diobol, 1.35 g.
Magistrate Silanos. 

AKRA, eagle standing left on rocks, snake clasped in 
its talons; two dots (value mark) on rocks.
SILA-NOS (NOS retrograde) in two lines beneath crab.

SNG ANS 998-999; SNG Cop 52; SNG Lloyd 815; Jameson 
507; Gulbenkian 171 (same dies); Pozzi 919; Weber 1195; 
Boston MFA 237. 

Sold by Numismatica Genevensis SA auction 4, Lot 30, Dec. 2006.
Ex Bunbury collection