Watch List notes:

MYSIA. Kyzikos. Circa 450-400 BC. Tetartemorion (Silver, 6 mm, 0.23 g, 5 h). Head of Hermes to right, wearing winged pilos. Rev. KY-ΖI Tunny to right; all within square incuse. SNG BN -. Von Fritze II, 21 and pl. V, 24 (dated 525-475 BC). Very rare. Porous, otherwise, good very fine.