Thrace, Serdica. Caracalla, AD 198-217. AE. 3.96 g. 19.19 mm. Obv: AVT K M AV CEV ANTΩNINOC. Laureate head of Caracalla, right. Rev: CEPΔΩN. Infant Hercules, kneeling right, head left, strangling two serpents. Ref: Varbanov 2097. Very Fine.