A Mystery-set ruby and baguette-cut diamond scroll brooch, by Van Cleef & Arpels, 1930s. Estimate: SFr. 270,000-450,000 (US$ 300,000-500,000)

A Mystery-set ruby and baguette-cut diamond scroll brooch, by Van Cleef & Arpels, 1930s. Estimate: SFr. 270,000-450,000 (US$ 300,000-500,000)