Bracelets Trends : Vintage sterling silver modernist Robert Nilsson twist cuff bracelet cuff. Rober… 11 June 2018 3209 Bracelets Trends : Vintage sterling silver modernist Robert Nilsson twist cuff bracelet cuff. Robert Nilsson is a Florida silversmith of Swedish descent, therefore the 3 crowns which is also a Swedish hallmark. Inside Circumference: 5 1/2