Watch List notes:

THESSALY, Koinon of Thessaly. Julia Domna, with Caracalla and Geta as Caesar. Augusta, AD 193-217. Æ Tetrassarion (29mm, 11.46 g, 6h). Struck circa AD 198-211. [I]OYΛIAN ΔO MNAN AYΓ, draped bust of Julia Domna right / M AP ANTωNЄINOC AVΓ C ΓЄTAC , laureate, draped, and cuirassed bust of Caracalla right, vis-à-vis bareheaded, draped, and cuirassed bust of Geta left; KOINON above, ΘЄCCAΛO below. BCD Thessaly II 972 = Burrer, MA-G 17 (this coin); Rogers –. Rough green patina. Good Fine. Only this coin in CoinArchives.

Ex BCD Collection (Triton XV, 3 January 2012), lot 972 (hammer $800; there noted by BCD as "[A] unique coin of great interest and importance.").