A ruby and diamond clip brooch, circa 1934. Estimate CHF14,000 - CHF18,000 ($10,189 - $13,100. Price Realized CHF25,300 ($18,413). Photo Christie's Image Ltd 1998

Designed as a pavé-set and baguette-cut diamond hoop with calibré-cut ruby trim, circa 1934

Christie's. ART DECO JEWELLERY, 17 November 1998, Geneva