Sicily. Akragas. AR Didrachm, c. 483-475 BC. D/ AK-RA. Eagle standing right. R/ Crab within circular incuse. Westermark, Coinage Period I, Group IV; HGC 2 99; SNG ANS 962-963. 8.65 g. 19.5 mm. Reverse struck from a worn die. VF.