Watch List notes:

LYDIA, Thyateira. Diadumenian. As Caesar, AD 217-218. Æ (20mm, 3.98 g, 6h). Bare-headed, draped, and cuirassed bust right, seen from behind / Athena standing left, holding patera and spear, hand resting on shield. Kurth 344; SNG Münich 657. Brown patina, earthen deposits, cleaning scratches. VF. Rare.