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Elagabalus, AE28 of Istros, Thrace. AD 218–222. 13.3 g.

AYT K M AYRH ANTWNEINOC, laureate, draped and cuirassed bust right.
ICTRIHNWN, Serapis on horseback pacing right, altar before the horse, eagle on a column or torch behind horse. Value mark E below.

Moushmov 186; Varbanov 659; AMNG 510.