Watch List notes:

SICILY, Akragas. Circa 450-440 BC. Cast Æ Tetras or Trionkion (17mm, 12.27 g). Two eagle foreparts back-to-back / Crab. Three pellets (mark of value) on base. Westermark, Fifth, pl. I, 2; CNS 6; HGC 2, 127. Fine, even green-brown patina.

From the Byron Schieber Collection. Ex Classical Numismatic Group XXIV (9 December 1992), lot 125.