Watch List notes:

THRACE, Plotinopolis. Faustina Junior. Augusta, AD 147-175. Æ (23mm, 7.59 g, 7h). Draped bust right / Apollo standing left, holding branch and bow. Cf. RPC IV Online 3480 = Münz Zentrum 102, lot 179. VF, dark green patina, minor roughness on obverse. Extremely rare, this coin the only example to appear on CoinArchives.

From the Belgica Collection Ex Dr. George Spradling Collection (Classical Numismatic Group Electronic Auction 351, 20 May 2015), lot 478 (where it realized $280).