1940's retailer 1950's Diamante Starburst Brooch with Rectangle Baguettes!

Brooch Features 10 Rectangle Baguette (A Stone cut in the shape of a narrow rectangle) Rhinestones with small round Rhinestones in between each followed by 2 more circles of Rhinestones and 1 larger center Rhinestone! All stones are Prong set!
It has a riveted finding with the pointed end of the catch held safely by the locking mechanism!

Rhinestone; Faceted colorless or colored glass, cut like a gemstone and usually with a retailer fused metallic backing for light reflection (like silvering a mirror) used in Costume Jewelry.