Made: End of the 12th century, Southern Italy, artist and patron unknown

Current Location: Museo Diocesano di Andria, Andria, Italy

Dimensions and Materials: 17.5 x 25cm; alabaster, gilded and engraved copper, wood

Iconography: Double Christ in Majesty, evangelist symbols, four figures wrapped in robes (the Latin and Greek churches?)

Inscriptions: HOC ALTARE SACRATVM EST IN HONORE SANCTAE TRINITATIS

Bibliography: Di Sciascio 2001; Palazzo 2008

Website: http://www.museodiocesanoandria.it/index.php/it/le-opere/84-dal-medioevo-al-quattrocento-francesco-ii-del-balzo/12-altare-portatile-detto-di-san-gregorio