Watch List notes:

COMMAGENE , Zeugma. Caracalla. AD 198-217. AR Tetradrachm (26mm, 11.81 g, 6h). Struck circa AD 215-217. Laureate head right / Eagle standing facing, head and tail left, with wings spread, holding wreath in beak; Z-Є across upper field, V between legs. Prieur 812 var. (obv. legend; eagle's head and tail right). Toned, some minor porosity, a few deposits. Good VF. Extremely rare, Prieur did not own this example when he published his book, and one specimen, this coin, in CoinArchives.

From the Michel Prieur Collection. Ex UBS 59 (29 January 2004), lot 6681.