Otacilia Severa. Tetradrachm; Otacilia Severa; Augusta, 244-249 AD. Alexandria, Egypt, Dated RY 4 of Philip I, 246-247 AD, Tetradrachm, 13.38g. Dattari-10420, Emmett-3549/4. Obv: Diademed and draped bust of empress r. Rx: Eusebia standing l., dropping incense on lighted altar and holding box; L ? (date) to upper l. Ex Nilus Coins, 23 April 2010. EF