Victorian Pearl Seed And Turquoise White Metal Brooch Antique

Beautiful brooch needs a gentle clean, I didn't. C clasp, long pin in good working order. Two oval shaped turquoise stones and 6 small pearls. It is silver but not hallmarked so I sell it as white metal. It was gold plated but it's worn now. There is a small chip on one turquoise  but still beautiful. Please study photos to be happy with the condition. Measures approx 3.5x1.5cm. Thanks for looking:-)