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A double opal brooch with diamond surround and...

The auction will start in __ days and __ hours

Start price: £1,500

Estimated price: £2,000 - £3,000

Auction house commission: 22.5%

VAT: Exempted from VAT

A double opal brooch with diamond surround and set in 18 carat gold, possibly made in the 1920s. The opals are thought to be from Coober Pedy, a town in southern Australia, the town is sometimes referred to the opal capital of the world.