 In contrast, a Pisan Jew, Isaac Guglielmo, who owned the book which the local Jews where referring to and showed it to Ranzano.Correlating with Augustinian tradition, Ranzano would perceive the Jews as custodians of the past who could corroborate the writings in the inscription.In 1488 he was sent to Hungary, to the court of Matthias Corvinus as the envoy of the Kingdom of Naples.