Roman Imperial Coinage - Gallienus (253-268) - BI Antoninianus (Antioch AD 267, 4.34 g) - Radiate, draped and cuirassed bust right / PM TRP XV PP Neptune standing facing, head left, foot on prow, holding trident (VIIC in ex.) (RIC 603 / RSC 849) - a.XF, nice for issue