Watch List notes:

SICILY. Messana (as Zankle). Samian occupation, 493-488 BC. Tetartemorion (Silver, 5.5 mm, 0.28 g, 2 h). Facing lion's scalp. Rev. Prow of a Samaina to left; Z to left. Clain-Stefanelli, RBN CXXXIII (1987), p. 49, pl. VIII, fig 5-6, 9. HGC 2, 775 var. (monogram not noted). SNG ANS 311. Very rare. About very fine.