Rare yellow gold parure with Sixteen Cameos in micromosaic depicting rural scenes

Rare set consisting of a pair of pendant earrings, two oval brooches and a choker, in yellow gold with sixteen micromosaic cameos depicting scenes of country life. The closure of the choker bears a stamp with the letter B and a difficult-to-read symbol, the closure of the pair of earrings has been modified, they were probably born with a screw closure, the butterflies are missing, complete with original box, 42.2 g in total