Watch List notes:

Sicily, Onkia, Katane, c. 405-402 BC; AE (g 0,74; mm 9; h 3); Head of river god l. with horns and floating hair; at l., AMENANOΣ. Linear border, Rv. K-A, winged thunderbolt; below, pellet. CNS III, n. 2; SNG Copenhagen -; SNG ANS 1272 var.
Rare, green patina, extremely fine.