Diploma imperiale, testo in greco / testo in latino Diplomatic treaty between the Byzantine Empire and the Pisan commune, confirming and extending privileges previously granted to the Pisans, including commercial rights, legal protections, and financial provisions. The document also records the texts of earlier agreements of the same nature concluded between Pisa and previous emperors. The original Greek text and the official Latin translation, both issued and validated by the imperial chancellery of Constantinople, are preserved as separate documents.
