Basilica della Santa Casa
In 1731 he started his diplomatic career with the appointment on 12 December to the Nunciature to Florence. In preparation to this task he was elected titular archbishop of Patras on 6 August 1731 when he was still in Loreto. His episcopal consecration followed on 25 August in the Basilica della Santa Casa at the hands of Vincenzo Antonio Maria Muscettola bishop of Recanati e Loreto.