Watch List notes:

GREECE. Massalia. Obol 425-400 BC. Obv. ΜΑΣΣΑΛΙΩ-ΤEΩΝ. Horned head of Lacydon to right. Rev. Wheel with four spokes, M in one quarter. OBM 6-; Chevillon-Lillamand, RN 2017. AR. 0.76 g. XF+
Very rare type with an Ionian legend, published in 2017 by Chevillon and Lillamand in the Revue Française, pp. 141-149.