Bidspirit auction | A micro mosaic brooch with

A micro mosaic brooch with flowers in 18k yellow gold mount, first half 20th century - A micro mosaic brooch with flowers in 18k yellow gold mount, first half 20th century The brooch is composed of a rectangular table cut onyx (L. 33 x W. 43 mm), decorated with a micro mosaic in the shape of a bouquet of flowers. The onyx is edged by an 18k yellow gold openwork frame, symmetrically designed. The brochering features a Dutch tax sign (1906-1953). Gross weight: approx. 23.5 grams. L. 48 x W. 58 mm