6 octobre 2008
A Mughal sapphire bead, India, 17th century
A Mughal sapphire bead, India, 17th century. Photo: Courtesy Sotheby's of oval form and clear blue colour with minor inclusions, drilled from two ends with a manual bow drill and incised with channels and ridges around the body - 4cm - Estimate : 18,000—25,000...