1. 561.b.2, 7(68) Reference (shelfmark): 561.b.2, 7(68) Title: Excavations, 1868 - Arch of the third century, part of the gallery of the Circus Alexandrinus, now in the Piazza Navona. Photographer: Unknown Collection Area: Printed Collections Languages: Not applicable Date Range: 1868 Extent: 1 item