THRACE, Serdica. Caracalla. AD 198-217. Æ (29mm, 16.00 g, 2h). Laureate head right / River-god reclining left with arm resting on upturned arm from which water flows and holding grain ears; tree to left . Cf. H&J, Serdica 12.18.32.13; Varbanov 2430 var. (river-god holding reed; no tree to left). VF, rough brown surfaces. Very rare.