Wooden cross containing a smaller removable brass cruciform reliquary with relics of the True Cross, Four Apostles and two founders of the Carmelite order.
It contains the following relics:
- Relics of the True Cross
- St. Andrew the Apostle
- St. James the Major, Apostle
- St. James the Minor, Apostle
- St. Simon, Apostle
- St. Theresa of Avila
- St. John of the Cross
The cruciform theca is secured by intact seal of Fr. Antonio Martini (†1809), Archbishop of Florence (1781-1809).