Watch List notes:

SICILY, Akragas. Circa 480/78-470 BC. AR Didrachm (21mm, 8.58 g, 4h). Sea eagle standing right / Crab within shallow incuse circle. Westermark, Coinage Period I, Group IV, 255 (O86/R174); HGC 2, 99. Long scratch on reverse, reverse off center, flan flaw on obverse. Good VF.