THRACE, Serdica. Caracalla. AD 198-217. Æ (31mm, 17.71 g, 12h). Laureate head right / Helios advancing left, raising right arm and holding whip and drapery in left. H&J 12.18.27.1 (R6, same dies as illustration); Varbanov 2318 (R5, same dies as illustration). Near VF, green and brown patina. Scarce type.