Italy, torso 17th-18th century, head and pedestal 20th century Roman Emperor Caesar Porphyry and black marble bust 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, La pierre pourpre des Ptolémées aux Bonaparte, Paris, RMN, 2003. An Italian porphyry and black marble bust, the torso 17th-18th century, the head and pedestal 20th century

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