Small round glass-fronted theca housing first class ex ossibus (of the bone) relic of Saint Anthony Maria Zaccaria. The relic is identified on a cedula label as V. Ant M Zach. The theca is sealed by the red wax seal with a coat of arms of the Barnabite Order. The reliquary is accompanied by original matching authentics document issued by the Barnabite Order "Regular Clerics of St. Paul" (Clerici Regulares Sancti Pauli) in 1853.
Saint Anthony Maria Zaccaria (†1539) was an early leader of the Counter Reformation and one of the founders of the Barnabite Order. He was Beatified by Pope Leo XIII and Canonized on May 15, 1897 by Pope Leo XIII. He is a patron of The Barnabite order, Angelic Sisters of St. Paul, Laity of St. Paul, and Physicians.