RENÉ BOIVIN DIAMOND AND RUBY 'COULISSANT' BANGLE

RENÉ BOIVIN DIAMOND AND RUBY 'COULISSANT' BANGLE
Circular-cut rubies and diamonds, gold and silver (French marks), gold panels slide to reveal either silver panels or gemstones, circa 1975, signed R. Boivin, maker's mark (René Boivin)

Size/Dimensions: inner circumference 15.0 cm
Gross Weight: 112.5 grams