COWELL, Sam. The Fourrée Hyperpyra of John V Palaeologus. KOINON: The International Journal of Classical Numismatic Studies, [S. l.], v. 6, p. 149–155, 2023. DOI: 10.32028/k.v6i.2347. Disponível em: https://archaeopresspublishing.com/ojs/index.php/koinon/article/view/2347. Acesso em: 8 oct. 2025.