EditorialHalf of checkered disc with portrait: Domitia Calvilla, DOMITA. CALVILLA.M.ANTNINI. IMP.MATER (Domitia Calvilla, mother of Emperor Marcus Aurelius Antonius Caracalla, wife of L. Serptimius Severus)., Neurenberg, 1525 - 1575, boxwood, d 5.3 cm.