https://www.sothebys.com/en/digital-catalogues/power-image-royal-aristocratic-tiaras/a-gold-cameo-and-enamel-diadem-belt-clasp-and-belt-ornament-jacques-ambroise-oliveras-circa-1805-some-cameos-possibly-ancient A gold, cameo and enamel diadem, belt clasp and belt ornament, Jacques-Ambroise Oliveras, circa 1805, some cameos possibly ancient | Sotheby’s en Wed, 25 May 2022 12:04:16 GMT