Art Nouveau Enamel & Pearl Rose Brooch whistle and this one features a

and this one features a silver chain around it

Agate / Hardstone

and sky blue in colour

the micromosaic having been made in Italy and paired with the pendant mount in England circa 1810

French Eagles Head Hallmark

Art Nouveau Enamel & Pearl Rose Brooch whistle and this one features aDATE: Art Nouveau, c. 1910 An exceptional three dimensional brooch, crafted in 10k gold, dating from the Art Nouveau period, circa 1910. This beautiful brooch has been carefully crafted, modelled as a dog rose. It's finished in fine enamel work, displaying hues of green, pink and cream with a pearlescent finish. Realistic details are show through tiny enamel details and the folded edges of the petals. The centre is set with perfectly formed pearls,