Caracalla, AE30 of Serdica, Thrace.

Obv: AVT K M AVP CEV ANTWNEINOC, laureate, draped and 
cuirassed bust right.
Rev: OVLPIAC CERDIKHC, Serapis, kalathos on head, standing 
left in long robe, holding sceptre and raising right hand.

Ruzicka 118; H&J 12.18.6.4; Varbanov 2435 var (obverse legend).

Contributed by Yavor Yankulov, Jan. 2013.