Attributed to Pierre CONROUX (1923-2003) Lot of three gouache drawings on cardstock including : - a yellow gold signet ring centered on a rectangular-cut sapphire, shouldered with scrolls partly paved with diamonds. - a yellow gold ring stylizing a flower, centered on a rectangular-cut sapphire and surrounded by diamond-paved rolled petals. - a yellow gold ring centered on a rectangular diamond pavé, shouldered by raised lines of rail-set calibrated sapphires. Circa 1945-50. Size: approx. 5.1 x 3.8 cm, mounted on 14.5 x 10.2 cm sheets of gray cardstock. Small annotations.