Nikopolis ad Istrum in Moesia Inferior, 218 AD., Diadumenianus Caesar, Assarion, Pick 1884.

Nikopolis ad Istrum in Moesia Inferior, Diadumenianus Caesar, 218 AD.,
Assarion / Æ 17 (16-18 mm / 3,29 g),
Obv.: K M OΠΠEΛ - ANTΩNINOC , bare head of Diadumenian facing right.
Rev.: NIKOΛI - TΩN ΠPOC IC (sic) , staff of Asklepios with serpent entwined.
Pick (AMNG I), 475, 1884 (4 pieces listed) ; Malcolm Megaw, Diadumenian, NIC1.2d ; Varbanov (Eng.) Vol.1. No. 3607 .