Roman Empire, Julia Domna, with Septimius Severus and Caracalla, Augusta, 193–217, Denarius, Rom, 201 AD, AETERNIT IMPERI, confronted busts of Septimius Severus and Caracalla, both laureate, draped and cuirassed, 3,32 g, RIC 539b, RSC 2 - a beautifully toned example of this rare dynastic issue