[PIE IX (1792-1878), 255th Pope]. Papal bull on parchment. Issued 30 April 1856. 32.5 x 53 cm. Papal bull in lead preserved on string. Very fresh document. Bull addressed to Pierre-Henri Gérault de Langalerie (1810-1886). He became bishop of Belley in 1857, following this bull, and then archbishop of Auch from 1871 until his death. Fine ornate lettering.