FRANÇOIS I (1708-1765) Emperor of the Holy Roman Empire. Letters Patent, signed by Count Emmanuel de Vihecourt, Tuscia, March 17, 1756; vellum broadside (50 x 68 cm), with decorated letterhead and initials, large red wax seal with arms (13.5 cm) hanging on red cords, in its turned boxwood case; in Latin. Solemn act confirming all the rights and privileges granted in 1559 by Cosimo I to a hermitage located in the mountains of Siena : "Tenutam Eremi al Vivo", (Eremo del Vivo), in favor of archbishop Alessandro Cervini (1695-1771). Perfect condition, except for two foxing on the upper corners.