Watch List notes:

CYRRHESTICA, Beroea. Diadumenian. As Caesar, AD 217-218. AR Tetradrachm (25.5mm, 13.71 g, 1h). Radiate, draped, and cuirassed bust right / Eagle standing facing, head and tail left, with wings spread; between legs, winged animal flanked by B-Є. Prieur 899 (this coin cited). Lightly toned with underlying luster, a touch of porosity, some copper oxide deposits, flatly struck around the edges. EF. Extremely rare, only three noted by Prieur, and five in CoinArchives.

From the Michel Prieur Collection. Ex Robert Gait Collection, no. 707, purchased from Dr. Paul Rynearson, NYINC 1989.