Watch List notes:

ATTICA. Athens. Pseudo-autonomous issue, under Gallienus, 264-267 AD. (Bronze, 23 mm, 5.83 g, 7 h). Helmeted head of Athena to right. Rev. AΘHNAIΩN Athena Parthenos standing facing, head to left, holding Nike with her extended right hand, spear and shield; at feet to left, serpent. SNG Copenhagen 384 var. (no snake). Svoronos Pl. 86, 13. Brown patina. Good very fine.