Near the end of his life, Giovanni Battista Piranesi (1720-78) created three colossal candelabra mainly from fragments of sculpture excavated near the Villa Hadriana in Tivoli, two of which are now in the Ashmolean Museum, and one in the Louvre. Although they were among the most sought-after and prestigious of his works, and fetched enormous prices during Piranesi's life, they suffered a steep decline in appreciation from the 1820s onwards, and even...