Julia Domna, AD 193-217. AR, Denarius. (17mm, 2.43 g). Rome. Obv: IVLIA AVGVSTA. Bust of Julia Domna, hair waved and coiled at back, draped, right. Rev: SAECVLI FELICITAS. Isis, wearing peaked head-dress, standing right, left foot on prow, with the infant Horus at her breast; to left, altar, against which rests a rudder.