Watch List notes:

Sicily, Aitna, Litra, ca. 476-461 BC; AR (g 0,42; mm 9; h 11); Ivy-wreathed head of Silenos r., Rv. AIT - NAI, winged thunderbolt. SNG Fitzwilliam 948; SNG ANS 1239; Jameson 537; HGC 65.
Very rare, an extraordinarily well preserved specimen; dark patina, good extremely fine.