Two rings in yellow gold, amethyst, blue topaz and citrine

Two rings in 18 carat yellow gold. One has a double welded body, decorated with an amethyst ball and a blue topaz. The other ring is set with a citrine ball. The balls are articulated to be able to move on the body of the ring but are set in lion claws to be immovable. Gross weight 28.86 gr. Finger 53 adjustable Jewel signed RINALDO GAVELLO

Circa 1980.