Caracalla, AE30 of Serdica, Thrace. AD 198-217. 15.25 g.

(from top right, clockwise) AVT K M AVRH ANTWNINOC, 
laureate, cuirassed bust left, holding spear and shield.
OVLPIAC CERDIKHC, Tyche standing left, wearing kalathos, 
holding rudder on globe and cornucopiae.

Varbanov 2471; Ruzicka 318; Sofia 7000; Moushmov 4899. 

With permission of Roma Numismatics, June 2015.
Estimate: £80.