18th-century oval silver double-crystal reliquary theca decorated on the top with bow-shaped silver wire ornamentation and housing relics of the Twelve Apostles of Christ centered around the relic of the True Cross. The relics are affixed to a gold silk background decorated with gilt paperolle, silver wire, and floral ornamentation and identified on manuscript cedulae labels as St. Peter the Apostle, St. Paul the Apostle, St. Andrew the Apostle, St. James the Great the Apostle, St. Philip the Apostle, St. [Jude] Thaddeus the Apostle, St. Matthew the Apostle, St. Bartholomew the Apostle, St. Matthias the Apostle, St. Simon the Apostle, St. James [the Less] the Apostle, and St. Thomas the Apostle. On the back, the theca is secured with a well-preserved seal of red Spanish wax bearing an imprint of an unidentified Roman Catholic Bishop.