Vintage Nettie Rosenstein bold necklace

Exquisite NETTIE ROSENSTEIN massive heraldic pendant. This dimensional pendent features two winged lion, a crown crest with eagle, a maltese cross in the center with a large green cabochon in a heraldic motif design. Accented with rhinestones along the crown, lions, cross - rhinestones vary in size. Gold-plated base metal. Measures approx 3 1/8"by 2 3/4" inches Signed NETTIE ROSENSTEIN. Signed on the back. Does have a chain but not sure if it is the original. Very good condition - especially when age is considered. See photos.