Antique Vintage Sterling Silver Blue Stones Floral Bouquet Pin Awesome!

Antique Vintage Sterling Silver Blue Stones ) unsure if blue topaz or czs. ... colored rhinestones of some kind) unusual setting does tarnish if not polished or kept air free. Gorgeous Floral Bouquet Pin Awesome! Can't find any makers mark or brand I think is at least 50 years old because I've had it 40 and bought it at an antique mall