Cartier Art Deco Onyx and Diamond Belt Buckle, circa 1920

Composed of two onyx hoops interconnected by a link set with buff-top calibre-cut onyx and single-cut diamonds, mounted in platinum and yellow gold. Signed Cartier Paris, numbered 020, circa 1920. Dimensions: Approx. 100 x 50 mm. Literature: Cf: Olivier Bachet and Alain Cartier, Cartier: Exceptional Objects, 2019, Volume 1, p. 353, for an illustration of this belt buckle.