Italy, the torso 17th-18th century, the head and pedestal 20th century The Roman Emperor Caesar Bust in porphyry and black marble Resting on a marble pedestal; accidents and restorations H. 49 cm (19 ¼ in.) l. 36 cm (14 ¼ in.) Comparative bibliography: D.del Bufalo, Red imperial porphyry, power and religion,Turin, Allemandi et Cie, 2012. P.Malgouyre, Porphyry, The Purple Stone from the Ptolemies to the Bonapartes, Paris, RMN, 2003. An Italian porphyry and black marble bust, the torso 17th-18th century, the head and pedestal 20th century