EditorialRuler: Publius Helvius Pertinax, Mint: Rome, Dupondius of Publius Helvius Pertinax from?Rome, 19293, orichalcum, 11.52 g, 1:00, 24.9?mm, ILE2013.17.244 , Made in Rome, Italy, Roman, 2nd century A.D., Numismatics.
EditorialRoman Emperor Pertinax, 126AD-193AD, Publius Helvius Pertinax Augustus. Copperplate engraving from Abraham Bogaerts De Roomsche Monarchy, The Roman Monarchy, Francois Salma, Utrecht, 1697.
EditorialHalf of drafts with portrait: Lucius Septimus Severus, L.SEPTIMIVS. SEVERVS. PERTINAX. IMP. (Lucius Septimius Severus, Roman emperor from 193-211)., Neurenberg, 1525 - 1575, boxwood, d 5.3 cm.
EditorialBrown-throated parakeet, Eupsittula pertinax, and long-tailed green parrot of Sincialo, Dominica, Psittacus rufirostris. Handcoloured lithograph from Th. Lejeune's Complete Works of Buffon, Oeuvres Completes de Buffon, Brussels, 1837.
EditorialBrown-throated parakeet, Eupsittula pertinax, and long-tailed green parrot of Sincialo, Dominica, Psittacus rufirostris. Handcoloured lithograph from Th. Lejeune's Complete Works of Buffon, Oeuvres Completes de Buffon, Brussels, 1837.