Lesbos, Methymna. AR Tetartemorion, 0.23 g 6.66 mm. Circa 500/480-460 BC. Obv: Facing head of Silenos. Rev: Quadripartite incuse square. Ref: Hauck & Aufhäuser 14 (1998), 75. Leu Web Auction 11 (2020), 859. Fine