Lesbos, Methymna. Ca. 500/480-460 B.C. AR tetartemorion or hemiobol (6 mm, .20 g, 8 h). Facing head of Silenos / Cock standing right within dotted square border within incuse square. Frank, Munzpragung -; SNG Copenhagen -; Traite -; Klein -; Rosen -; HGC 6, 894. VF. Very Rare.