Nikopolis ad Istrum in Moesia Inferior, 218 AD., Diadumenianus Caesar, Assarion, Pick 1885.

Nikopolis ad Istrum in Moesia Inferior, Diadumenianus Caesar, 218 AD.,
Assarion / Æ 17 (17-18 mm / 3,62 g),
Obv.: K M OΠΠEΛ - ANTΩNINOC , bare head of Diadumenian facing right.
Rev.: NIKOΠOΛI - TΩN , staff of Asklepios with serpent entwined.
Pick (AMNG I), 475, 1885 (6 pieces listed) ; Malcolm Megaw, Diadumenian, NIC1.2e ; Varbanov (Eng.) Vol.1. No. 3598 ; Leake pg. 79 .