CLARK, Victor. A previously unrecorded reverse for Constantine I. KOINON: The International Journal of Classical Numismatic Studies, [S. l.], v. 1, p. 81–84, 2018. DOI: 10.32028/k.v1i.1162. Disponível em: https://www.archaeopresspublishing.com/ojs/index.php/koinon/article/view/1162. Acesso em: 28 dec. 2025.