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An Art Deco tourmaline and diamond brooch, 1930s, set with a step-cut green tourmaline, to a bar
An Art Deco tourmaline and diamond brooch, 1930s, set with a step-cut green tourmaline, to a bar brooch set with single-cut diamonds, mounted in platinum, inscribed 'Biddy Peter 1927 1935', length 5.6cm, , stamped 18ct Plat, numbered 3886, fitted case stamped Skinner & Co.