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OPAL, TSAVORITE AND DIAMOND BROOCH, 'KOALA', MICHELE DELLA VALLE

Estimate
6,500 - 8,500 CHF
bidding is closed

Description

The carved opal depicting two koalas, sitting in leaves set with circular-cut emeralds and tsavorite garnets and brilliant-cut diamonds, signed Michele della Valle, Italian assay marks for gold, maker's marks, pouch stamped Michele della Valle.