Caracalla, AE16 of Nikopolis ad Istrum, Moesia Inf. 2.2g. AV K M AV ANTWNINO, laureate head right. NIKO-POLIT-PROC I-CT in four lines within wreath. Varbanov 2936 var; AMNG 1620 var (last line of legend); Moushmov 1112. Contributed by Ars-Aeterna / David Suter, Switzerland, August, 2011