Vintage Aurora Borealis grapes brooch

Vintage brooch in the shape of a bunch of grapes with grape leaves. Spectacular aurora borealis rhinestones and silver tone setting. The sparkle on this piece is unreal and can't be captured in photographs. Unsigned. No damage or wear noted. All stones present. Measures 1 5/8" tall and 1 1/2" wide. Clasp and pin work perfectly. Comes from smoke-free home. Offers and questions always welcome.