Watch List notes:

SELEUCIS and PIERIA, Gabala. Diadumenian. As Caesar, AD 217-218. AR Tetradrachm (25mm, 11.77 g, 4h). Laureate and draped bust right / Eagle standing facing, head and tail left, with wings spread, holding wreath in beak; between legs, crescent over crab. Prieur 1090/1089 (mules of Diaduemian obv./Macrinus rev.). Toned, porous, some encrustation on the reverse. VF. Extremely rare, Prieur did not own this example when he published his book, and one, this coin, in CoinArchives.

From the Michel Prieur Collection. Ex Classical Numismatic Group 76/1 (12 September 2007), lot 1103 (hammer $500).