50s Rhinestone Crystal AB Brooch Pin Cluster Blue

Stunning vintage brooch 🤗 Julianna Delizza ? Maybe? Photos do NOT show how sparkly this brooch is 😭 Striking icy blue with aurora borealis stones. Reminds me of a snowflake. This was given to me a few years ago while visiting family. I'm far too tomboy to pull this off, so I'm letting it go. No maker marks Flaws: - Patina on the pin - One stone is set a little off, but its secure Aprox 2.5" wide