Attributed to Pierre CONROUX (1923-2003) Lot of two gouache drawings on tracing paper comprising : - a lady's wristwatch, with openworked rigid rush bracelet and dial cover featuring a stylized knot punctuated with rubies and diamonds. With two profile views of the case. - a leaf with studies of filigree motifs with rubies and diamonds. Circa 1950. Size: 16.1 x 12.1 cm and 24 x 16.5 cm. Folds.