Otacilia Severa, wife of Philip I (244-249). AR Antoninianus, commemorating the Secular Games, 248 AD. D/ OTACIL SEVERA AVG. Diademed and draped bust right, set on crescent. R/ SAECVLARES AVGG. Hippopotamus walking right; IIII in exergue. RIC 116 b. AR. g. 4.15 mm. 22.50 Interesting unusual expressive portrait. Superb light iridescent toning, with golden hues. EF.