Watch List notes:

MOESIA INFERIOR, Nicopolis ad Istrum. Diadumenian. As Caesar, AD 217-218. Æ Tetrassarion (27mm, 11.00 g, 1h). Marcus Claudius Agrippa, legatus Augusti pro praetore. Bare head right / River-god Istros reclining left, resting hands on knee and urn from which water flows. HH&J 8.25.32.5; AMNG 1806; Varbanov 3655. Porous green patina, light smoothing. VF. Rare.

From the Dr. Michael Slavin Collection. Ex Classical Numismatic Group 51 (15 September 1999), lot 836.