A Roman marble portrait of the emperor Antoninus Pius (r. 138-161 CE), acquired by the British Museum in 1850 from Richard Cockle Lucas. Even before that, the portrait was in the collections of the Grimani palace, Venice. The portrait has undergone significant restorations, including the beard on the chin, the nose, and parts of the mustache (see full conservation notes on the BM website: www.britishmuseum.org/research/search_the_collection_data... British Museum inv. 1850,0116.1 H: 27…