Watch List notes:

Lesbos, Methymna, c. 450/40-406/379 BC. AR Obol (7mm, 0.45g, 6h). Helmeted head of Athena r. R/ Kantharos; M-A-Θ counterclockwise around. Franke 12; HGC 6, 904. Porous VF
Estimate: 40 GBP