Beautiful Vintage Rare Style Turquoise Butterfly Brooch, D&E Juliana. BOOK PIECE

I SEE THAT THIS DESIGN HAS BEEN FEATURED IN THE LAST GENERATION BY KNUTSON & WACKER AUTHORS BOOK ON JULIANA JEWELRY.  A LARGE BLUE TURQUOISE MILK GLASS CABOCHON NAVETTE CUT BODY WITH A AQUA FACETED HEAD.  BORDERS OF SMALL AQUA MILK GLASS CABS BORDER IN AND OUT OF EACH WING SPAN.  CLASSIC HEART FILIGREE DETAIL METAL WORK WITHIN.  SECURE PIN CLASP AND BALE, IT CAN ALSO BE WORN AS A PENDANT.  AND IT REALLY DOES "POP" AND LOOK GREAT LYING OR HANGING FROM A SILVER NECKLACE. MEASURES 2 1/2".  SET IN A SILVER(GUN METAL) PLATE COLOR. THE PIECE IS STILL IN GREAT VINTAGE CONDITION AND BASED ON APPROPRIATE VINTAGE AGE (60 YEARS) THERE IS NOTHING THAT DETRACTS OR IS SEEN OR NOTICEABLE WHEN WEARING.  IF YOU LOVE BUTTERFLIES YOU WILL LOVE THIS PIECE.  GOES WITH EVERYTHING. ALL STONES ARE HIGHLY PRONGED. THE PIN BACK WORKS PERFECTLY. Please feel free to ask any and all questions.