Reliquary cross gilded Italy second half of the 19th Century

Antique cross reliquary (reliquary cross - monastic work - folk art) gilded; Italy - second half of the 19th Century; gilded crucifix with a precious mystery; on the front a raised relief with Jesus on the cross with a beautiful detailed elaboration; the cross is closed with a small screw (the screw is not original); On the back a beautifully elaborated relief with the instrument of suffering: Vinegar sponge, lance, 3 nails, the crown of thorns, 3 dice and Mary in the centre; inside the cross are the relics of 4 saints, each one lovingly hand-bound on purple cloth, covered with linen and inscribed Cedula, on the left side a framed piece of wood, on the right a sapphire blue glass stone; the snail-shaped borders are made of a delicate gold alloy at the edge; on the other inner side there is also a purple fabric integrated where a relic is attached; it is not inscribed and protected with a small net, here it is probably an oily substance that was dripped on paper; the saints are: AGNUS DEI (Lamb of God), a widespread symbol of Jesus Christ in Christianity; Saint "CLEMENS", an Apostolic Father and Bishop of Rome, a successor of the Apostle Peter; Clement is the author of the two Epistles of Clement, which was also the reason for his inclusion in the ranks of the Apostolic Fathers; S. AQUILAE, this is probably Aquila with his wife Priska (Priscilla), the two were among the first Christians; the two accompanied Paul to Ephesus and stayed to spread early Christianity as missionaries; DAMIANI, St. Peter Damiani (1006 - 1072) was an influential clergyman from the 11th century. Century and is venerated as a saint in the Catholic Church until today; the reliquary cross can be worn on a rosary or on a chain around the neck; in the lower inner area a fragment might be missing, as the space is empty - but I am not sure if the area was ever filled; traces according to age and use; measurements: approx. 2.5 x 5.7 cm - weight: approx. 15.20 g