Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 21 mm, 2.92 g, 4 h), Rome, 4th officina, 267-268. GALLIENVS AVG Radiate head of Gallienus to right. Rev. APOLLINI CONS AVG / Δ Gryphon walking to left. Göbl 718b. RIC V 166. Some flatness from striking, otherwise, very fine.