Silver antoninianus, 23mm, 4.17gm, issued AD 244-247 Rome mint.
Obv: IMP M IVL PHILIPPVS AVG, Radiate, draped, cuirassed bust right.
Rev: ROMAE AETERNAE, Roma seated left, holding Victory and sceptre; at side, shield and altar to left.
References: Sear 8954, RIC 45, RSC 170.