$80 million worth of stolen Italian artifacts, recovered from New York and New Jersey by prosecutor Col. Matthew Bogdanos, were displayed in Rome, showcasing the ongoing efforts against art trafficking led by Italy’s Carabinieri Cultural Heritage Protection unit.

About 600 pieces of art were on display Tuesday morning in the Central Institute for Restoration's offices, which are housed in a former women's prison in central Rome. The sight looked more like a museum exhibition of Italian a...