10 février 2010
A mid-19th century lava cameo bracelet, circa 1870
A mid-19th century lava cameo bracelet, circa 1870 © 2002-2009 Bonhams 1793 Ltd., The six cameos, produced in different coloured lava, carved to depict portraits of Renaissance artists, to include Raphael, Giotto di Bondone, Antonio Correggio and Salvator...