LESBOS, Unattributed Koinon mint. Circa 510-480 BC. BI Double Siglos (19mm, 11.11 g). Persic standard. Confronted calves' heads; olive tree between / Small incuse square punch. Lazzarini, Contribution, Series III; HGC 6, 1076. VF, toned, flan crack, light cleaning marks.