Watch List notes:

SELEUCIS and PIERIA, Seleucia Pieria. Diadumenian. As Caesar, AD 217-218. AR Tetradrachm (26.5mm, 12.17 g, 12h). Bareheaded and cuirassed bust right / Eagle standing facing on thunderbolt, head and tail right, with wings spread, holding wreath in beak. Prieur 1191. Toned, light porosity, a couple scratches, irregular flan. VF. Extremely rare, only one noted by Prieur, and one, this coin, in CoinArchives.

From the Michel Prieur Collection. Ex Classical Numismatic Group Electronic Auction 220 (14 October 2009), lot 332 (hammer $1100).