Watch List notes:

MESOPOTAMIA, Edessa. Caracalla. AD 198-217. AR Tetradrachm (24mm, 12.70 g, 6h). Contemporary imitation(?). AVT KИ M ΛV Λ[NTON]ЄINOC CЄB, radiate and curiassed bust right / ΔHMAPX ЄΞ ΠATOC TO Δ, eagle standing facing, head and tail right, with wings spread, holding wreath in beak; shrine with pediment between legs. Prieur 1718 (this coin; 'Atypical Coins: Edessa Type'); cf. Prieur 850-1 (for regular obverse type). Toned, light porosity. VF. Extremely rare, only one known to Prieur, and one in CoinArchives.

From the Michel Prieur Collection.