Watch List notes:

SELEUCIS and PIERIA, Emesa. Macrinus. AD 217-218. BI Tetradrachm (24.5mm, 14.31 g, 12h). Laureate head right / Eagle standing facing, head and tail left, with wings spread, holding wreath in beak; between legs, radiate, draped, and cuirassed bust of Shamash left. Prieur 977 (this coin). Deeply toned, porous. VF. Extremely rare, only one noted by Prieur, and none in CoinArchives. This coin has the appearance of copper, but is most likely low quality billon silver.

From the Michel Prieur Collection. Ex G. Hirsch 137 (29 July 1983), lot 219.