Gorgeous Vintage Purple Crystal Rhinestone Brooch Pin Juliana, Sherman? 
Excellent vintage condition
Measures 3.5 cm wide / 5.5 cm long

Gorgeous vintage brooch, unsigned but lovely quality.  Made from clean gold tone metal, open set with central large faceted purple glass crystal.  It measures 3.5 cm x 6.5 cm.  In fantastic sparkly condition, would make a special gift.  The photos do not give this brooch credit.