Watch List notes:

Greek coins

Thraco-Macedonian tribes, Uncertain. Hemiobol circa 500-450, AR 0.34 g. Goat's head r. Rev. Quadripartite incuse square. For type cf. AMNG p. 138, 24 (obol). Imhoof-Blumer, Monnaies Grecques, p. 110, 180 (obol). Aufhäuser Auktion 14, 1998, 115 (attributed to Aigai). Triton III, 1999, 402 (these dies).
Extremely rare. Good very fine
Ex Gemini IX, 2012, 14 and Gemini XI, 2014, 20 sales.