Caracalla, AE 26 of Anchialus, Thrace. Obv: AV K M AVR ANTWNINO, laureate, draped, cuirassed bust right. Rev: OVLPIANWN AGXIA,LEWN, city gate, flanked by two battlemented towers, three arches on wall. Varbanov 318. Courtesy of Ray, http://citygate.ancients.info, March 2011