Vintage Made in Austria sparkling rhinestone brooch w/huge AB center stone 2”

Gorgeous vintage signed Austria brooch features a 1 1/8” Aurora Borealis center rhinestone. The prong set surrounding rhinestones are blue, Smokey gray, & gold. The pin is sturdy. The silver metal back shows a bit of wear (see photos) but is in overall great vintage condition. 2” x 1 1/4”. Bag 1