Watch List notes:

Gallienus, 253-268. Antoninianus (Billon, 22.5 mm, 4.25 g, 11 h), Antioch, 264-265. GALLIENVS AVG Radiate, draped and cuirassed bust of Gallienus to right. Rev. MARS VICTOR Mars, nude but for his helmet and cloak, walking right, holding shield and transverse spear. Cohen 606. MIR 1632. RIC 469. Well struck with silvery surfaces. Good extremely fine.

From a Swiss collection, ex Nomos 9, 21 October 2014, 297.