Watch List notes:

CILICIA. Seleucia ad Calycadnus. Gallienus, 253-268. Tetrassarion (?) (Bronze, 27 mm, 8.73 g, 6 h). AY K Π ΛΚ (sic!) ΓΑΛΛΙΗΝ/ΟC Laureate, draped and cuirassed bust of Gallienus to right, seen from behind. Rev. CEΛΕVKEΩΝ K/AΛVΚA/ΔN Athena advancing right, holding shield and brandishing spear at snake-legged giant advancing left and raising both arms. SNG Levante 789 (same obverse die). SNG Paris 1066 (same dies). Pleasant green-black patina. Some deposits, otherwise, very fine.