Beautiful rose gold 750 ‰ and silver 800 ‰ crescent moon brooch adorned with a falling line of old-cut brilliants (the largest calibrating +/- 0.60 carat), in an openwork setting highlighted with rose-cut diamonds (one rose missing). The pin and clasp are removable, allowing the crescent to be adapted to other settings, typical of transformable jewelry of the 19th century. French work, mid-19th century PB. 13.20 g - D. 4 cm