Julius Caesar , Mark Antony , Marcus Aemilius Lepidus , Augustus , Caligula , Vespasian , Nerva , Antoninus , Marcus Aurelius , Caracalla , Publius Septimius Geta , Volusianus , Saloninus , Valerianus Minor , Domitius Calvinus and Pontius Pilate , as well as on many consular and colonial medals. An aspergillum