Watch List notes:

THESSALY, Koinon of Thessaly. Valerian I. AD 253-260. Æ Tetrassarion (20mm, 11.58 g, 12h). AV K ΠOΛI OVAΛЄPIANOC, radiate and cuirassed bust right, seen from behind / [ΚΟΙ]ΝΟN ΘЄCCΑΛ[ΩN], Athena standing right, holding shield and preparing to hurl spear; Δ (mark of value) to left. BCD Thessaly I 1424 var. (obv. legend); BCD Thessaly II 988.1. VF, green and red-brown patina, some roughness.

From the BCD Collection.