Mariniana AR Antoninianus. DIVAE MARINIANAE, veiled & draped bust right on crescent / CONSECRATIO, peacock flying right, carrying Mariniana, veiled, with raised hand & scepter. RSC 16. RIC 0006. VF 2.7 g
Mariniana was the wife of Valerian I, who reigned from 253-260 AD.
She died before Valerian took office and therefore all her coins are posthumous.