Caligula — Marble bust restored to its original colors. The colors were identified from particles within the marble.
Photo Credit: By G.dallorto (talk · contribs) - This file was derived from: Istanbul - Museo archeologico - Mostra sul colore nell'antichitÓ 12 - Foto G. Dall'Orto 28-5-2006.jpg, Attribution, https://commons.wikimedia.org/w/index.php?curid=44201388