Lesbos, uncertain mint AR Obol (Silver, 0.64g, 7mm) ca 500-450 BC) Lesbos, uncertain mint AR Obol (Silver, 0.64g, 7mm) ca 500-450 BC) Obv: Two boars’ heads confronted Rev: Quadripartite incuse square. Ref: Rosen.542. SNG.Cop.287