Vintage Blue Aurora Borealis Rhinestone Brooch by Sarah Coventry ETC10471

This is a vintage, gorgeous blue aurora borealis crystal stone brooch.  It is a lovely teardrop shape with large marquise iridescent ab stones.  The center has a row of light blue & a row of dark blue round glass rhinestones.  The metal settings are silver toned.  The pin back is secure.  This brooch measures 2 3/4″ long x 1 3/4″ wide.  Signed Sarah Coventry on the back.