Brooch and ring in yellow oor, white gold and amber, Atelier Reister

DESCRIPTION: large circular brooch made with an oval-shaped serena stone in the center, on a white gold base with a yellow gold edge, signed Reister 73, bears the 750 mark and cocktail ring, modeled as a semicircle with round cabochon-cut amber, framed with yellow gold microbeads, on a white gold base with yellow gold border, signed Reister 86, bears the 750 mark WEIGHT: 42.2 g