Double crown. c1620-1720. Made of Gold, silver, diamonds, emeralds, rubies, sapphires, amethysts, quartz and enamel. In Italy - Piedmont - Sanctuary of Oropa - Savoia Royal Apartments - King's Room. Made according to a design attributed to Filippo Juvarra, by the jeweler Bertollero of Turin which dissassembled a previous crown made in 1620. The crown , like the previous one, consists of two superposed crowns. by kristy