Episemon

ep-i-sē′mon, n. the characteristic device of a city, .: one of three obsolete Greek letters used as numerals— IMG:c237_ng_20px_Chambers_1908_Vau.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail:Chambers_1908_Vau.png-20px-Chambers_1908_Vau.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail , vau; IMG:c238_mbers_1908_Koppa.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail_unscaled:Chambers_1908_Koppa.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail_unscaled , koppa; and IMG:c239_ng_20px_Chambers_1908_San.png_utm_source_en.wiki source.org_utm_campaign_parser_utm_content_thumbnail:Chambers_1908_San.png-20px-Chambers_1908_San.png?utm_source=en.wiki source.org _campaign=parser _content=thumbnail , san, sampi.