Pietra Dura Flower Brooch on Yellow Gold bague géométrique octogonale Condition: very slight micro scratches

Condition: very slight micro scratches on the gold parts

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The Art Deco movement

Pietra Dura Flower Brooch on Yellow Gold bague géométrique octogonale Condition: very slight micro scratchesPietra Dura" brooch in 18kt yellow gold (hallmark: owl) inlaid with a mosaic of hard stones (lapis lazuli, agate, marble, onyx) representing flowers on a black background, in a finely chased gold surround. Italian work from the 19th century. Gross weight: 19. 50 g Width: 5. 20 cm Height: 4. 20cm Condition: slight micro scratches on the gold parts and stones, a few bumps on the stones, see photos. The pietra dura technique was invented in Florence at