Watch List notes:

CILICIA, Tarsus. Diadumenian. As Caesar, AD 217-218. AR Didrachm (20.5mm, 4.32 g, 12h). Bareheaded, draped, and cuirassed bust right / Apollo standing facing, head left, holding laurel branch with right hand, drapery over left arm. Prieur –; SNG Levante –; SNG BN –. VF, toned, some roughness. Extremely rare, Prieur did not own this example when he published his book, and only this specimen on CoinArchives.

From the Michel Prieur Collection. Ex Gorny & Mosch 165 (17 March 2008), lot 1575 (realized 600 Euros hammer).