Watch List notes:

Sicily. Akragas. AR Didrachm, c. 478-470 BC. D/ AK-RA. Eagle standing right. R/ Crab; below, CA-Σ flanking male head right. Jenkins, Gela Group IV. SNG ANS 959. AR. g. 8.52 mm. 20.00 R. An exceptional example. Area of flatness on obverse, otherwise EF.