Diadumenian, AE26 of Nikopolis ad Istrum, Moesia. Magistrate Marcus Claudius Agrippa. 4 Assaria. K M OPPEL ANTWNI DIADOUMENIAN-OC, bare head right, seen from the back. UP AGRIPPA NI-KOPOLITWN P-ROC ICTR-W, River-god Ister reclining left, right hand on knee, left arm resting on a vase from which waters flow. AMNG I, 1806; Varbanov 3633 corr. (obv. legend); Moushmov 1350. Contributed by Tony Owens, March 2013.