Watch List notes:

SICILY, Akragas. Circa 480/78-470 BC. AR Didrachm (20mm, 8.75 g, 3h). Sea eagle standing left / Crab within incuse circle. Westermark, Coinage, Period I, Group IV, 265 (O88/R183); HGC 2, 97. In NGC encapsulation 6055400-013, graded Ch VF, Strike: 4/5, Surface: 3/5. Overstruck.