Tetrassarion (AE21) of Valerian (253-260 AD), Thessalian League, Thessaly, Roman Provincial coinage

AV K ΠO Λ OVAΛEΡIANO, radiate, cuirassed bust right / KOINON ΘECCAΛΩN, Athena Itonia striding right, hurling spear; Δ behind. 21mm, 5.80 grams. Burrer MA-G 47. Rogers 124 var.