dating: 1855 provenance: Papal States, Cross made of partially-enameled gold, with the bust of Pius IX at the center featuring the inscription 'PIUS PAPA VEN.CAPIT. AQUENSI 28 SEPT. 1855'. Depicting Mary on the back, with the inscription 'MARIA SINE LABE CONCEPTA 8 DECEMBRIS 1854'. Pierced foliage at the corners. The ring with remains of a mark. 44 g. Very high quality. dimensions 5.9 x 6.1 cm.