Watch List notes:

Gallienus (253-268). AE Denarius, Rome mint, 264-267 AD. Obv. IMP GALLIENVS AVG. Laureate bust right. Rev. MART-I PACIFERO. Mars standing left, holding olive-branch, spear and shield. RIC V 353. AE. 1.94 g. 17.00 mm. R. Rare and superb. Lovely enamel-like deep brown patina. EF/About EF.