Attributed to Pierre CONROUX (1923-2003) Lot of two gouache drawings on tracing paper comprising : - a yellow gold Tank-style ring set with calibrated diamonds and sapphires in a rail-setting, architectural setting. - a pink gold ring with a concave buckle motif centered on a gadroon paved with diamonds and set with calibrated sapphires on the edge. Circa 1945-50. Dimensions: 6 x 5.1 cm and 11 x 9.5 cm. Bends, annotations.