Silver denarius, 18mm, 3.21gm, issued AD 201 Rome mint.
Obv: IVLIA AVGVSTA, Bare-headed, draped bust facing right.
Rev: SAECVLI FELICITAS, Isi standing foot on prow, nursing infant Horus, rudder resting on altar.
References: Sear 6606, RIC 577, RSC 174.