Watch List notes:

IONIA, Smyrna. Circa 150-143 BC. AR Tetradrachm (32.5mm, 16.09 g, 12h). Stephanophoric type. Poseidonios, magistrate. Turreted head of Tyche right / Ethnic and monogram within laurel wreath. Milne, Autonomous 145; Milne, Silver 2, obv. die A; SNG Copenhagen –; SNG von Aulock 2161. Iridescent tone, some light roughness around periphery. Good VF. Well centered.

From the San Vicente Collection, purchased from Dr. Arnold Saslow, June 1996.