Ancient Roman Empire: silver denarius of Septimius Severus, "Dea Caelestis" type, ca. 193-211 AD
Obverse: SEVERVS PIVS AVG, laureate head right / INDVLGENTIA AVGG, IN CARTH in exergue. Reverse: Dea Caelestis in elaborate headdress riding right on lion, holding thunderbolt & scepter; below, water gushing from rocks left.
NGC Choice AU (Strike 4/5, Surface 4/5), cert. #4166745-008. Sear/RCV-6285, RIC-266, RSC-222, BMC-335. 3.42 g. Ex-"pegasusauctions_com", eBay, 11/11/2014.
Coins of of the North African emperor Septimius Severus often come quite nice. He is one of the more "affordable" emperors if one wants higher grade pieces. I liked the look of this Choice AU example and thought the price fair. Additionally, the reverse type is rather interesting.