Vintage 9k Gold Large Brutalist Amethyst Brooch 1970s

A vintage 9k yellow gold brutalist amethyst crystal brooch consisting of an oval section of an amethyst geode, set within an abstract motif textured gold frame, with a hinged bale and rollover clasp to the hinged pin at the back - marked 9ct for 9k gold - total weight 68.37grms - overall dimensions 53 x 50mm - c.1970 Australia

Accompanied by an Independent Retail Replacement Valuation Certificate verifying the materials have been independently examined and, where possible, tested to be as stated.