Caracalla, AE28 of Serdica, Thrace. AD 198-217. 16.14 g.

AVT K M AVR CEV ANTWNEINOC, laureate, draped and cuirassed bust right.
OVLPIAC CERDIKHC, Homonoia standing left, wearing kalathos, 
holding patera and cornucopiae.

Ruzicka 307; H&J, Serdica 12.18.36.3; Varbanov 2377-2380 var (bust type). 

With permission of cngcoins.com, June 2015.
Estimate: $75.