double hinged, designed as a coiled snake in green guilloche enamel, the head adorned with 5 round natural diamonds approx. 0.20ctw, ruby-set eyes, in yellow gold, stamped 750, and with Italian hallmark 752 AL (Alessandria), very minor enamel wear at one hinge, inner circumference approx. 6.5in., 65.2gms., Opening Bid $4000