Watch List notes:

THESSALY. Koinon of Thessaly. Caracalla, 198-217. (Bronze, 23 mm, 7.66 g, 12 h), an obverse brockage, 211-217. AY K M AYP ANTΩNINOC Laureate and cuirassed bust of Caracalla to right, seen from behind. Rev. Incuse of the obverse. Cf. BCD Thessaly 978.2 and 979.4 for coins struck from obverse dies probably by the same hand. An amusing mint mistake. Obverse porosity, otherwise, very fine.