Antique set of three bar brooches in yellow gold and enamel

Antique set of three bar brooches in yellow gold and enamel. A set of three bar brooches each set with a different gemstone, seed pearl, turquoise and diamond, surrounded by a mother of pearl disk and bordered by white enamel with decorative black dots, fitted to the reverse with a secure hinged pin. Accompanied by the original box. 

Note: There is some chipping to parts of the enamel which can be seen in the photograph.