LESBOS, Unattributed Koinon mint. Circa 510-480 BC. BI Double Siglos (19.5mm, 10.99 g). Persic standard. Confronted cow heads; olive tree between / Small incuse square punch. Lazzarini, Contribution, Series III; HGC 6, 1076. VF, darkly toned.
From the George Bernert Collection. Ex Classical Numismatic Group 67 (22 September 2004), lot 656.