1970s Rivière Plaque Bracelet

1970s. An early signed J. Rivièr silver plaque or i.d. bracelet with leather straps. James Rivière jewelry designs are held in private collections and museums, including the Victoria and Albert, Louvre, and Vatican Museums. He won the jewelry category of the Triennale di Milano Exhibition in 1972 and 1973. 800 (continental silver). 

Inner circumference when fastened 6 inches 
Width 3/4 inches 
Depth 3.6 mm.