Crown of Costance of Aragon, Queen of Sicily (ca. 1220) held in the Tesoro della Cattedrale, Palermo.
Late 5th c AD octogonal orthodox baptistery constructed by Bishops Ursus and Neon in Ravenna, Italy.
Byzantine mosaic depiction of Last Judgement and Harrowing of Hell ca. 11th c affixed to west well of Basilica di Santa Maria Assunta in Torcello, Venice.
Madonna and child of unknown (said to be miraculous) authorship ca 5th-8th c AD in the Cattedrale di Maria Santissima Achiropita, Rossano, Calabria).
Porphyry sculpture group of four Roman emperors ca 300AD affixed to façade of Saint Mark's Basilica, Venice.