Vintage 1950s 1960s Starburst Brooch Blue AB Aurora Borealis Rhinestone

Spectacular vintage aurora borealis brooch dating to the 1955–1965 window when AB coating was introduced. Large blue AB center stone surrounded by clustered aurora borealis rhinestones on inner scroll, with additional AB stones set within open pointed leaf arms radiating outward. Stones fire blue, green, gold, and violet in shifting light. Safety rollover clasp. Unsigned. Measures approx. 2″ x 2″